2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1575
- Drive Motor 1 Position Learn Incorrect
DTC P1B10
- Drive Motor 2 Position Learn Incorrect
Circuit/System Description
The drive motor generator position sensor is monitored by the motor control module (MCM). The MCM monitors the angular position, speed and
direction of the drive motor generator based upon the signals of the resolver-type position sensor. The position sensor, or resolver, contains a drive
coil, two driven coils and an irregular shaped metallic rotor. The metallic rotor is mechanically attached to the shaft of the drive motor generator. At
ignition ON, the MCM outputs a 7 volt ac, 10 kHz excitation signal to the drive coil. The drive coil excitation signal creates a magnetic field
surrounding the two driven coils and the irregular shaped rotor. The MCM then monitors the two driven coil circuits for a return signal. The
position of the irregular shaped metallic rotor causes the magnetically-induced return signals of the driven coils to vary in size and shape. A
comparison of the two driven coil signals allows the MCM to determine the exact position, speed and direction of the drive motor generator.
The position sensor is a non-serviceable part of the drive motor generator assembly.
A measurement called offset is needed for accurate determination of the motor position. Offset is the relationship between the position sensor and
the drive motor generator output shaft. Whenever the ignition is cycled to OFF, the MCM attempts to learn the offset of the drive motor position
sensor by rapidly oscillating the motor and observing the position sensor signals.
Conditions for Running the DTC
Condition 1, 2, 3 and 4
* Hybrid wake-up signal is not active because the ignition has been transitioned from RUN to OFF.
* The MCM has learned a valid drive motor position sensor offset value at least once.
Condition 2
Motor speed is less than 20 RPM.
Conditions for Setting the DTC
Condition 1
Position sensor offset value not learned because drive motor speed is greater than 50 RPM.
Condition 2
Position sensor offset value not learned because hybrid battery voltage as observed at the MCM is less than 192V.
Condition 3
Position sensor offset value not learned because drive motor phase to phase current difference is less than 15 A.
Condition 4
Position sensor offset value not learned because the offset learn value is greater than the maximum allowed offset of 25 degrees.
Action Taken When the DTC Sets
* P1B10 and P1B0F are Type C DTCs.
* The MCM operates the drive motor generator using the last valid learned offset.
Conditions for Clearing the DTC
* P1B10 and P1B0F are Type C DTCs.
* High voltage remains enabled immediately following an ignition key transition from RUN to OFF.
Reference Information
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
1. Observe the BECM Contactor Sys. Req. Signal parameter. The HV contactor relays should be Closed, enabling the high voltage system.
瀚慖f the HV contactor relays are Open, diagnose and repair the DTCs which are preventing high voltage from being enabled.
Friday, October 23, 2020
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1574
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1574
Action Taken When the DTC Sets
* DTCs P1B0D and P1B0E are Type A DTCs.
* The hybrid powertrain control module (HPCM) commands the battery energy control module (BECM) to open the high voltage contactor
relays.
Conditions for Clearing the DTC
DTCs P1B0D and P1B0E are Type A DTCs.
Diagnostic Aids
* The drive axle and drive motor generator 2 are joined mechanically through a planetary gear set, any condition that allows the rear axle to
rotate too fast while the transmission is in gear may cause DTC P1B0E to set. Ask the operator if the vehicle was subjected to downhill
coasting at an excessive speed.
* A transmission mechanical failure that occurs during high drive motor generator torque may cause these DTCs to set.
* Any condition which causes either MCM to receive incorrect or corrupt GM LAN information may cause these DTCs to set. Inspect for
communication DTCs.
* Repeated drive motor generator operation at speeds in excess of the DTC limits may cause deterioration of the drive motor generator
magnets.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Circuit/System Verification
1. Inspect for transmission control module (TCM) DTC P0723, any other DTCs that would indicate an internal transmission mechanical
concern or any vehicle communication U-code DTCs.
瀚慖f any of the specified DTCs are set, repair them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble
Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).
2. Clear the DTC information.
3. Turn the ignition OFF for 1 minute.
Important: DTC P1B0E may be the result of driving conditions or habits.
4. Operate the vehicle under the conditions for running.
5. Retest for DTCs P1B0D and P1B0E.
瀚慖f the DTC resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after programming or if the
PIM already contains the latest software version, replace the PIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for PIM replacement, setup, and programming.
P1B0F
DTC P1B0F or P1B10
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
Action Taken When the DTC Sets
* DTCs P1B0D and P1B0E are Type A DTCs.
* The hybrid powertrain control module (HPCM) commands the battery energy control module (BECM) to open the high voltage contactor
relays.
Conditions for Clearing the DTC
DTCs P1B0D and P1B0E are Type A DTCs.
Diagnostic Aids
* The drive axle and drive motor generator 2 are joined mechanically through a planetary gear set, any condition that allows the rear axle to
rotate too fast while the transmission is in gear may cause DTC P1B0E to set. Ask the operator if the vehicle was subjected to downhill
coasting at an excessive speed.
* A transmission mechanical failure that occurs during high drive motor generator torque may cause these DTCs to set.
* Any condition which causes either MCM to receive incorrect or corrupt GM LAN information may cause these DTCs to set. Inspect for
communication DTCs.
* Repeated drive motor generator operation at speeds in excess of the DTC limits may cause deterioration of the drive motor generator
magnets.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Circuit/System Verification
1. Inspect for transmission control module (TCM) DTC P0723, any other DTCs that would indicate an internal transmission mechanical
concern or any vehicle communication U-code DTCs.
瀚慖f any of the specified DTCs are set, repair them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble
Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).
2. Clear the DTC information.
3. Turn the ignition OFF for 1 minute.
Important: DTC P1B0E may be the result of driving conditions or habits.
4. Operate the vehicle under the conditions for running.
5. Retest for DTCs P1B0D and P1B0E.
瀚慖f the DTC resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after programming or if the
PIM already contains the latest software version, replace the PIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for PIM replacement, setup, and programming.
P1B0F
DTC P1B0F or P1B10
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1573
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1573
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Circuit/System Verification
1. Inspect for transmission control module (TCM) DTC P0723, any other DTCs that would indicate an internal transmission mechanical
concern or any vehicle communication U-code DTCs.
瀚慖f any of the specified DTCs are set, repair them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble
Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).
2. Clear the DTC information.
3. Turn the ignition OFF for 1 minute.
Important: DTC P1B0E may be the result of driving conditions or habits.
4. Operate the vehicle under the conditions for running.
5. Retest for DTCs P1B0D and P1B0E.
瀚慖f the DTC resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after programming or if the
PIM already contains the latest software version, replace the PIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for PIM replacement, setup, and programming.
P1B0E
DTC P1B0D or P1B0E
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1B0D
- Drive Motor 1 Control Module Drive Motor 1 Overspeed
DTC P1B0E
- Drive Motor 2 Control Module Drive Motor 2 Overspeed
Circuit/System Description
The drive motor generator position sensor is monitored by the motor control module (MCM). The MCM monitors the angular position, speed and
direction of the drive motor generator based upon the signals of the resolver-type position sensor. The position sensor allows the MCM to
determine the exact position, speed and direction of the drive motor generator.
Conditions for Running the DTC
* Ignition voltage is 8-18V.
* MCM temperature and voltage out of range DTCs have not set.
* Drive motor generator speed greater than 11,500 RPM.
Conditions for Setting the DTC
The MCM detects drive motor generator speed greater than 10,000 RPM after an initial detection of greater than 11,500 RPM.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Circuit/System Verification
1. Inspect for transmission control module (TCM) DTC P0723, any other DTCs that would indicate an internal transmission mechanical
concern or any vehicle communication U-code DTCs.
瀚慖f any of the specified DTCs are set, repair them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle (See: Diagnostic Trouble
Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).
2. Clear the DTC information.
3. Turn the ignition OFF for 1 minute.
Important: DTC P1B0E may be the result of driving conditions or habits.
4. Operate the vehicle under the conditions for running.
5. Retest for DTCs P1B0D and P1B0E.
瀚慖f the DTC resets, program the PIM with the latest software version and recheck for DTCs. If the DTC resets after programming or if the
PIM already contains the latest software version, replace the PIM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning) for PIM replacement, setup, and programming.
P1B0E
DTC P1B0D or P1B0E
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1B0D
- Drive Motor 1 Control Module Drive Motor 1 Overspeed
DTC P1B0E
- Drive Motor 2 Control Module Drive Motor 2 Overspeed
Circuit/System Description
The drive motor generator position sensor is monitored by the motor control module (MCM). The MCM monitors the angular position, speed and
direction of the drive motor generator based upon the signals of the resolver-type position sensor. The position sensor allows the MCM to
determine the exact position, speed and direction of the drive motor generator.
Conditions for Running the DTC
* Ignition voltage is 8-18V.
* MCM temperature and voltage out of range DTCs have not set.
* Drive motor generator speed greater than 11,500 RPM.
Conditions for Setting the DTC
The MCM detects drive motor generator speed greater than 10,000 RPM after an initial detection of greater than 11,500 RPM.
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1572
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1572
瀚慖f the voltage is less than 40 volts, replace the APM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Power Steering Assist Motor Replacement (See: Steering and Suspension/Steering/Power Steering/Power Steering Motor/Service and
Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for APM or PSCM replacement, setup, and
programming.
P1B0D
DTC P1B0D or P1B0E
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1B0D
- Drive Motor 1 Control Module Drive Motor 1 Overspeed
DTC P1B0E
- Drive Motor 2 Control Module Drive Motor 2 Overspeed
Circuit/System Description
The drive motor generator position sensor is monitored by the motor control module (MCM). The MCM monitors the angular position, speed and
direction of the drive motor generator based upon the signals of the resolver-type position sensor. The position sensor allows the MCM to
determine the exact position, speed and direction of the drive motor generator.
Conditions for Running the DTC
* Ignition voltage is 8-18V.
* MCM temperature and voltage out of range DTCs have not set.
* Drive motor generator speed greater than 11,500 RPM.
Conditions for Setting the DTC
The MCM detects drive motor generator speed greater than 10,000 RPM after an initial detection of greater than 11,500 RPM.
Action Taken When the DTC Sets
* DTCs P1B0D and P1B0E are Type A DTCs.
* The hybrid powertrain control module (HPCM) commands the battery energy control module (BECM) to open the high voltage contactor
relays.
Conditions for Clearing the DTC
DTCs P1B0D and P1B0E are Type A DTCs.
Diagnostic Aids
* The drive axle and drive motor generator 2 are joined mechanically through a planetary gear set, any condition that allows the rear axle to
rotate too fast while the transmission is in gear may cause DTC P1B0E to set. Ask the operator if the vehicle was subjected to downhill
coasting at an excessive speed.
* A transmission mechanical failure that occurs during high drive motor generator torque may cause these DTCs to set.
* Any condition which causes either MCM to receive incorrect or corrupt GM LAN information may cause these DTCs to set. Inspect for
communication DTCs.
* Repeated drive motor generator operation at speeds in excess of the DTC limits may cause deterioration of the drive motor generator
瀚慖f the voltage is less than 40 volts, replace the APM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Power Steering Assist Motor Replacement (See: Steering and Suspension/Steering/Power Steering/Power Steering Motor/Service and
Repair)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for APM or PSCM replacement, setup, and
programming.
P1B0D
DTC P1B0D or P1B0E
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptor
DTC P1B0D
- Drive Motor 1 Control Module Drive Motor 1 Overspeed
DTC P1B0E
- Drive Motor 2 Control Module Drive Motor 2 Overspeed
Circuit/System Description
The drive motor generator position sensor is monitored by the motor control module (MCM). The MCM monitors the angular position, speed and
direction of the drive motor generator based upon the signals of the resolver-type position sensor. The position sensor allows the MCM to
determine the exact position, speed and direction of the drive motor generator.
Conditions for Running the DTC
* Ignition voltage is 8-18V.
* MCM temperature and voltage out of range DTCs have not set.
* Drive motor generator speed greater than 11,500 RPM.
Conditions for Setting the DTC
The MCM detects drive motor generator speed greater than 10,000 RPM after an initial detection of greater than 11,500 RPM.
Action Taken When the DTC Sets
* DTCs P1B0D and P1B0E are Type A DTCs.
* The hybrid powertrain control module (HPCM) commands the battery energy control module (BECM) to open the high voltage contactor
relays.
Conditions for Clearing the DTC
DTCs P1B0D and P1B0E are Type A DTCs.
Diagnostic Aids
* The drive axle and drive motor generator 2 are joined mechanically through a planetary gear set, any condition that allows the rear axle to
rotate too fast while the transmission is in gear may cause DTC P1B0E to set. Ask the operator if the vehicle was subjected to downhill
coasting at an excessive speed.
* A transmission mechanical failure that occurs during high drive motor generator torque may cause these DTCs to set.
* Any condition which causes either MCM to receive incorrect or corrupt GM LAN information may cause these DTCs to set. Inspect for
communication DTCs.
* Repeated drive motor generator operation at speeds in excess of the DTC limits may cause deterioration of the drive motor generator
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1571
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1571
voltage, 42 volt, DC to support the Electric Power Steering (EPS). The APM receives a 42 volt enable command from the Hybrid Powertrain
Control Module (HPCM) over the high speed hybrid GMLAN communication circuit. 42 volt APM functions will run only when the 42 volt APM
enable is active on the high speed hybrid GMLAN communication circuit.
Conditions for Running the DTC
APM 42 volt output commanded on.
Conditions for Setting the DTC
42 volt circuit below 21 volts during operation.
Action Taken When the DTC Sets
* DTC P1A89 is a Type C DTC.
* The APM will shutdown 42 volt conversions.
Conditions for Clearing the DTC
DTC P1A89 is a Type C DTC.
Diagnostic Aids
* DTC C0895 03 EPS Voltage Below Threshold may be set.
* DTC C0895 12 EPS Voltage Below Minimum Threshold may also be set.
* The 42 volt circuit is only used by the EPS. The APM can apply 42 volts on the connector without being connected to the EPS.
Reference Information
Schematic Reference
Hybrid Controls Schematics ()
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Drive Motor Generator Control Module Description and Operation ()
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
1. Start the engine.
2. Using the scan tool, observe the 42V Circuit Voltage parameter on the APM data list.
瀚慖f the voltage is less than 40 volts, proceed to Circuit/System Testing.
3. Rotate the steering wheel back and forth while stationary.
瀚慖f the voltage is less than 40 volts, the EPS is drawing excessive current. Replace the power steering motor.
Circuit/System Testing
1. Disconnect the 42 Volt harness connector at the APM.
2. Turn the ignition to ON.
3. Use the APM Intermediate Voltage Control on the scan tool to turn on the 42 volt circuit.
瀚慖f the voltage is greater than 40 volts, replace the power steering control module (PSCM).
voltage, 42 volt, DC to support the Electric Power Steering (EPS). The APM receives a 42 volt enable command from the Hybrid Powertrain
Control Module (HPCM) over the high speed hybrid GMLAN communication circuit. 42 volt APM functions will run only when the 42 volt APM
enable is active on the high speed hybrid GMLAN communication circuit.
Conditions for Running the DTC
APM 42 volt output commanded on.
Conditions for Setting the DTC
42 volt circuit below 21 volts during operation.
Action Taken When the DTC Sets
* DTC P1A89 is a Type C DTC.
* The APM will shutdown 42 volt conversions.
Conditions for Clearing the DTC
DTC P1A89 is a Type C DTC.
Diagnostic Aids
* DTC C0895 03 EPS Voltage Below Threshold may be set.
* DTC C0895 12 EPS Voltage Below Minimum Threshold may also be set.
* The 42 volt circuit is only used by the EPS. The APM can apply 42 volts on the connector without being connected to the EPS.
Reference Information
Schematic Reference
Hybrid Controls Schematics ()
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Drive Motor Generator Control Module Description and Operation ()
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
1. Start the engine.
2. Using the scan tool, observe the 42V Circuit Voltage parameter on the APM data list.
瀚慖f the voltage is less than 40 volts, proceed to Circuit/System Testing.
3. Rotate the steering wheel back and forth while stationary.
瀚慖f the voltage is less than 40 volts, the EPS is drawing excessive current. Replace the power steering motor.
Circuit/System Testing
1. Disconnect the 42 Volt harness connector at the APM.
2. Turn the ignition to ON.
3. Use the APM Intermediate Voltage Control on the scan tool to turn on the 42 volt circuit.
瀚慖f the voltage is greater than 40 volts, replace the power steering control module (PSCM).
Wednesday, October 7, 2020
New to dodge talk
Hi i was wondering where would be a good website to order cams for my 02 durango sky 4.7l magnum and other upgrades?
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Hi i was wondering where would be a good website to order cams for my 02 durango sky 4.7l magnum and other upgrades?
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Locker Indicator Light Question
Apologies if this has been asked before, but I'm 14 hours into an 18-hour road trip, and I'm a little out of it. Why do my locker indicators keep coming on, rear flashing, front lit steady? I'm not in 4x4, just driving down the interstate. They'll come on for a while, then turn off.
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Apologies if this has been asked before, but I'm 14 hours into an 18-hour road trip, and I'm a little out of it.
Why do my locker indicators keep coming on, rear flashing, front lit steady? I'm not in 4x4, just driving down the interstate. They'll come on for a while, then turn off.
Wed, 07 Oct 2020 22:08:27 +0000Why do my locker indicators keep coming on, rear flashing, front lit steady? I'm not in 4x4, just driving down the interstate. They'll come on for a while, then turn off.
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2002 Ram 1500 4.7 engine swap
I swapped the 4.7 motor in my 2002 Ram 1500 SLT Quad Cab(bad motor) out for a 2004 Dodge Dakota $.7 but now when it cranks over it sounds like it is out time? What could be the problem?
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I swapped the 4.7 motor in my 2002 Ram 1500 SLT Quad Cab(bad motor) out for a 2004 Dodge Dakota $.7 but now when it cranks over it sounds like it is out time? What could be the problem?
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Tuesday, October 6, 2020
lower balljoints
hello all have a 04 2500hd 2wd 5.7 nv4500 need front lower ball joints all i can find or press in does any body make replacements for the riveted in joints
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hello all have a 04 2500hd 2wd 5.7 nv4500
need front lower ball joints all i can find or press in
does any body make replacements for the riveted in joints
Wed, 07 Oct 2020 01:26:37 +0000need front lower ball joints all i can find or press in
does any body make replacements for the riveted in joints
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Transmission jerk
Hey guys looking into buy an 04 2500 runs great shifts great climbing gears ran it up to about 58-60 mph and let off when it came back down to about 57mph I felt it jerk a bit then was fine climbed up around 65 mph let off was fine did it again at 60 and it happened again tried it 5 more times and only happened twice any ideas... guy is being real cool says if we can figure it out he'll fix it any ideas
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Hey guys looking into buy an 04 2500 runs great shifts great climbing gears ran it up to about 58-60 mph and let off when it came back down to about 57mph I felt it jerk a bit then was fine climbed up around 65 mph let off was fine did it again at 60 and it happened again tried it 5 more times and only happened twice any ideas... guy is being real cool says if we can figure it out he'll fix it any ideas
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