Dodge

Monday, January 27, 2020

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1628

Procedures/Connector Repairs/Connector Repairs)

* 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)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

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

Note: If other DTCs are set, diagnose those DTCs first.

1. Perform the Transmission Fluid Level and Condition Check (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing

and Inspection/Component Tests and General Diagnostics/6T70/6T75 - Automatic Transmission/Transmission Fluid Level and Condition

Check) to verify correct fluid level and condition.

Note: Perform a scan tool snapshot during the road test.

2. Perform the Road Test (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing and Inspection/Initial Inspection and

Diagnostic Overview). Verify the transmission operation performs as indicated, in the road test instructions.

3. Review the scan tool snapshot transmission data parameters. Verify the engine and transmission data parameters display the correct values in

all forward gear ranges:

* Engine Speed

* Transmission ISS

* Transmission OSS

* Vehicle Speed

* Shift Solenoid 1

* TFP Switch 1

* TFP Switch 3

* TFP Switch 4

* TFP Switch 5

4. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the

conditions that you observed from the Freeze Frame/Failure Records data.

Circuit/System Testing

1. Perform the Line Pressure Check (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing and Inspection/Component

Tests and General Diagnostics/6T70/6T75 - Automatic Transmission/Line Pressure Check). Verify the transmission line pressure gauge is

within the range specified in the Line PC Solenoid Valve Pressure table. Refer to Solenoid Valve Pressure (See: Specifications/Mechanical

Specifications/Automatic Transmission/Transaxle/System Specifications/6T70/6T75 - Automatic Transmission/Solenoid Valve Pressure).

瀚慖f not within the specified range, repair as necessary. Refer to Fluid Pressure High or Low (See: Transmission and Drivetrain/Automatic

Transmission/Transaxle/Testing and Inspection/Symptom Related Diagnostic Procedures/6T70/6T75 - Automatic Transmission/Fluid

Pressure High or Low) for further diagnosis.

2. Ignition OFF, remove the control solenoid valve assembly. Refer to Control Solenoid Valve and Transmission Control Module Assembly

Replacement (See: Powertrain Management/Transmission Control Systems/Actuators and Solenoids - Transmission and

Drivetrain/Actuators and Solenoids - A/T/Shift Solenoid/Service and Repair).

3. Perform the Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test (See: Transmission and

Drivetrain/Automatic Transmission/Transaxle/Testing and Inspection/Component Tests and General Diagnostics/6T70/6T75 - Automatic

Transmission/Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test). Test all solenoids on the

control solenoid valve assembly. A pressure change should occur for each solenoid.

瀚慖f the control solenoid valve assembly does not pass the performance test, replace the control solenoid valve assembly.

4. Listed in the table below are conditions for each component that could set DTC P0751 or P0752. Carefully inspect each component for that

condition. Repair or replace as necessary.

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Circuit/System Description

The primary source of heat in the transmission is the torque converter. Hot oil exits the torque converter through the torque converter clutch (TCC)

control valve and flows to the transmission cooler supply line. The supply line connects to the cooler, which is in the radiator. From the cooler, the

oil returns through the oil cooler return line and enters the lubrication circuits. After lubricating the internal components, the oil returns to the oil

pan. The transmission fluid temperature sensor is located in the control solenoid valve assembly.

Conditions for Running the DTC

* The ignition voltage is between 10.2-15.5 V.

* The engine speed is greater than 400 RPM for 2 s.

* The transmission is not in emergency mode.

* Transmission control module (TCM) communication is normal.

Conditions for Setting the DTC

* Vehicle speed less than 180 km/h (112 MPH) and transmission fluid temperature more than 150掳C (302掳F) for more than 10 s.

* Vehicle speed more than 180 km/h (112 MPH) and transmission fluid temperature more than 150掳C (302掳F) for more than 60 s.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Technical Service Bulletin # 08-07-30-035B Date: 101101

A/T - Water Or Coolant Contamination Information

INFORMATION

Bulletin No.: 08-07-30-035B

Date: November 01, 2010

Subject: Information on Water or Ethylene Glycol in Transmission Fluid

Models:

2011 and Prior GM Passenger Cars and Light Duty Trucks

with Automatic Transmission

Supercede:

This bulletin is being revised to update model years. Please discard Corporate Bulletin Number 08-07-30-035A (Section 07 -

Transmission/Transaxle).

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 257

Water or ethylene glycol in automatic transmission fluid (ATF) is harmful to internal transmission components and will have a negative effect on

reliability and durability of these parts. Water or ethylene glycol in ATF will also change the friction of the clutches, frequently resulting in shudder

during engagement or gear changes, especially during torque converter clutch engagement.

Indications of water in the ATF may include:

- ATF blowing out of the transmission vent tube.

- ATF may appear cloudy or, in cases of extreme contamination, have the appearance of a strawberry milkshake.

- Visible water in the oil pan.

- A milky white substance inside the pan area.

- Spacer plate gaskets that appear to be glued to the valve body face or case.

- Spacer plate gaskets that appear to be swollen or wrinkled in areas where they are not compressed.

- Rust on internal transmission iron/steel components.

If water in the ATF has been found and the source of the water entry has not been identified, or if a leaking in-radiator transmission oil cooler is

suspected (with no evidence of cross-contamination in the coolant recovery reservoir), a simple and quick test kit is available that detects the

presence of ethylene glycol in ATF. The "Gly-Tek" test kit, available from the Nelco Company, should be obtained and the ATF tested to make an

accurate decision on the need for radiator replacement. This can help to prevent customer comebacks if the in-radiator transmission oil cooler is

leaking and reduce repair expenses by avoiding radiator replacement if the cooler is not leaking. These test kits can be obtained from:

Nelco Company

Test kits can be ordered by phone or through the website listed above. Orders are shipped standard delivery time but can be shipped on a next day

delivery basis for an extra charge. One test kit will complete 10 individual fluid sample tests. For vehicles repaired under warranty, the cost of the

complete test kit plus shipping charges should be divided by 10 and submitted on the warranty claim as a net item.

The transmission should be repaired or replaced based on the normal cost comparison procedure.

Important

If water or coolant is found in the transmission, the following components MUST be replaced.

- Replace all of the rubber-type seals.

- Replace all of the composition-faced clutch plates and/or bands.

- Replace all of the nylon parts.

- Replace the torque converter.

- Thoroughly clean and rebuild the transmission, using new gaskets and oil filter.

Important

The following steps must be completed when repairing or replacing.

- Flush and flow check the transmission oil cooler using J 45096. Refer to Corporate Bulletin Number 02-07-30-052F- Automatic

Transmission Oil Cooler Flush and Flow Test Essential Tool J 45096 TransFlow.

- Thoroughly inspect the engine cooling system and hoses and clean/repair as necessary.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Technical Service Bulletin # 08-08-51-002A Date: 130116

Body - Pre-Painting/Cleaning Process For TPO Plastic Fascias

INFORMATION

Bulletin No.: 08-08-51-002A

Date: January 16, 2013

Subject: Pre-Painting/Cleaning Process for TPO Plastic Fascias

Models:

2013 and Prior GM Passenger Cars and Trucks

Supercede:

This bulletin is being revised to clarify Subject and add the 2010-2013 model years. Please discard Corporate Bulletin Number 08-08-51-002

(Section 08 - Body and Accessories).

All fascias, with the exception of the Corvette, Camaro and Cadillac XLR, are made of TPO. You may find other TPO parts. If the technician has a

question as to the type of plastic they are painting, inspect the back of the part for the plastic symbol (TPO). Prior to painting, prepare the part by

following this process:

1. Wash with soap and water.

2. Clean with a 50% mix of isopropyl alcohol and water (or a waterborne cleaner). Check with your paint supplier for product

recommendations.

3. Scuff sand per your paint supplier's recommendations.

Note

The use of a solvent-type cleaner will soften, or begin to dissolve, the primer. Base coats do not have any affect on this primer.

4. Reclean with a 50% mix of isopropyl alcohol and water (or a waterborne cleaner).

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1386

4. If all circuits test normal, replace the appropriate fuel level sensor.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Primary Fuel Level Sensor Replacement (See: Powertrain Management/Computers and Control Systems/Fuel Level Sensor/Service and

Repair)

* Secondary Fuel Tank Module Replacement (See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Tank Unit/Service and

Repair/Secondary Fuel Tank Module Replacement)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for the ECM replacement, programming and setup

P0480

DTC P0480, P0691, or P0692 (without/LF1)

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 Descriptors

DTC P0480

- Cooling Fan Speed Output Circuit

DTC P0691

- Cooling Fan Speed Output Circuit Low Voltage

DTC P0692

- Cooling Fan Speed Output Circuit High Voltage

Diagnostic Fault Information

Circuit/System Description

The engine control module (ECM) commands the cooling fan depending on cooling requirements. The ECM controls the cooling fan speed by

commanding the cooling fan control module. The cooling fan control module supplies the power and ground circuits for the cooling fan. The ECM

sends a pulse width modulated (PWM) signal to the cooling fan control module. The cooling fan control module interprets the signal and operates

the cooling fan at the commanded speed.

Conditions for Running the DTC

* The engine speed is greater than 0 RPM.

* The ignition voltage is between 10-18 volts.

* The DTCs run continuously once the above conditions are met.

Conditions for Setting the DTC

The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 1 second.

Action Taken When the DTC Sets

DTCs P0480, P0691, and P0692 are Type B DTCs.

Conditions for Clearing the MIL/DTC

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2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1518

* DTC P0658 has not set this ignition cycle.

P0659

DTC P0659 has not set this ignition cycle.

Conditions for Setting the DTC

P0658

The TCM detects an internal open or short to ground in the high side driver 1 circuit a total of 3 times out of 5 consecutive readings.

P0659

During TCM power-up and prior to the high side driver being enabled, the TCM detects an internal short to voltage on the high side driver 1 circuit

a total of 3 times out of 5 consecutive readings.

Action Taken When the DTC Sets

P0658

* DTC P0658 is a Type A DTC.

* The TCM turns the high side driver OFF.

* The TCM turns OFF all solenoids.

* The TCM commands maximum line pressure.

* The TCM freezes transmission adaptive functions.

* The TCM commands the TCC OFF.

* The TCM inhibits Tap Up/Down function.

* The TCM inhibits manual shifting of forward gears.

* The TCM limits the transmission to fifth and reverse operation.

P0659

DTC P0659 is a Type C DTC.

Conditions for Clearing the DTC

* DTC P0658 is a Type A DTC.

* DTC P0659 is a Type C DTC.

Reference Information

Connector End View Reference

* Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)

* Inline Harness Connector End Views (See: Diagrams/Connector Views/Multiple Junction Connector/Connector End Views By Number)

Description and Operation

Transmission General Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/6T70/6T75 -

Automatic Transmission/Transmission General Description)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* 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)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

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

Special Tools

DT-47825-20 - Adapter Harness

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1838

P2123

The APP sensor 1 voltage is greater than 4.82 volts for greater than 1 s or for a cumulative time of 4 s.

P2127

The APP sensor 2 voltage is less than 0.63 volt for greater than 1 s or for a cumulative time of 4 s.

P2128

The APP sensor 2 voltage is greater than 4.82 volts for greater than 1 s or for a cumulative time of 4 s.

P2138

* The ECM detects that the voltage difference between APP sensor 1 and 2 is greater than 0.25 volts when the sensor voltages are between

1.91-1.25 V.

* The ECM detects that the voltage difference between APP sensor 1 and 2 is greater than 0.31 volts when the sensor voltages are between

1.91-2.63 V.

* The ECM detects that the voltage difference between APP sensor 1 and 2 is greater than 1.7 volts when the sensor voltages are greater than

2.63 V.

* DTC P2138 sets if any of the above conditions exist for greater than 1 s or for a cumulative time of 4 s.

Action Taken When the DTC Sets

DTCs P2122, P2123, P2127, P2128, and P2138 are Type A DTCs.

Conditions for Clearing the DTC

DTCs P2122, P2123, P2127, P2128, and P2138 are Type A DTCs.

Diagnostic Aids

Test the current output of the 5-volt reference circuits if you suspect high resistance in the circuit. The current output should be greater than 80 mA

for APP 1 and greater than 50 mA for APP 2.

Reference Information

Schematic Reference

Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics

(LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)

Description and Operation

Throttle Actuator Control (TAC) System Description (See: Powertrain Management/Computers and Control Systems/Description and

Operation/Throttle Actuator Control (TAC) System Description)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* 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)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

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. Ignition ON, observe the DTC information with a scan tool. DTC P0651, P0652, P0653, P0697, P0698, or P0699 should not be set.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1741

* The TCM turns OFF all solenoids.

* The TCM allows the vehicle to operate only in the second gear "R" range after a stop.

Conditions for Clearing the DTC

* DTCs P0973 and P0974 are Type A DTCs.

* The TCM detects an ON signal (12 V) of the Shift Solenoid Valve 2 circuit when the Shift Solenoid Valve 2 is commanded ON (12 V) for 1

s continuously.

* The TCM detects an OFF signal (0 V) of the Shift Solenoid Valve 2 circuit when the Shift Solenoid Valve 2 is commanded OFF (0 V) for 1 s

continuously.

Diagnostic Aids

When attempting to set solenoid electrical DTCs, ensure the control solenoid valve assembly is warmed up and the transmission is operated long

enough to ensure a 3掳C (5掳F) increase in temperature. This will place the TCM in the optimal conditions to test solenoid electrical DTCs.

Reference Information

Schematic Reference

Automatic Transmission Controls Schematics (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Diagrams/Electrical

Diagrams)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* 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)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

Description and Operation

Transmission Component and System Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and

Operation/AF40-6 - Automatic Transmission/Transmission Component and System Description)

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. Ensure the transmission fluid temperature is between 50-80掳C (122-176掳F).

2. Operate the vehicle in 2nd gear long enough to ensure at least a 3掳C (5掳F) rise in oil temperature.

3. Place the gear selector in Reverse for 5 s and then idle vehicle for 5 s.

4. Observe the scan tool data Shift Solenoid Valve 2 parameter. The parameter should display ON.

Circuit/System Testing

Static Test

1. Ignition OFF, remove the K71 Transmission Control Module.

2. Test for 11-15 ohm between the Shift Solenoid Control circuit terminal 2 X2 and ground.

瀚慖f not within the specified range, test the wiring harness for internal short, or interruption. If the circuit test normal, replace the Q32B

Shift Solenoid Valve 2.

3. Test for infinite resistance between each terminal and the Shift Solenoid Control circuit terminal 2 X2.

瀚慖f less than the specified range, replace the wiring harness.

4. If all circuits test normal, test or replace the Q32B Shift Solenoid Valve 2. Verify the DTC does not reset.

瀚慖f the DTC resets, replace the K71 Transmission Control Module.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1946

Replacement (See: Powertrain Management/Transmission Control Systems/Actuators and Solenoids - Transmission and

Drivetrain/Actuators and Solenoids - A/T/Shift Solenoid/Service and Repair).

3. Perform the Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test (See: Transmission and

Drivetrain/Automatic Transmission/Transaxle/Testing and Inspection/Component Tests and General Diagnostics/6T70/6T75 - Automatic

Transmission/Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test). A pressure change should

occur for each solenoid valve.

瀚慖f the control solenoid valve assembly does not pass the performance test, replace the control solenoid valve assembly.

4. Listed in the table below, are conditions for each component that could set DTC P2714 or P2715. Carefully inspect each component for that

condition. Repair or replace as necessary.

Repair Instructions

Important:

* Perform the Service Fast Learn Adapts (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing and

Inspection/Programming and Relearning) following all transmission related repairs.

* Before replacing the TCM, perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection (See:

Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing and Inspection/Component Tests and General

Diagnostics/6T70/6T75 - Automatic Transmission/Control Solenoid Valve and Transmission Control Module Assembly Inspection).

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Control Valve Lower Body and Upper Body Replacement (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Valve

Body/Service and Repair/6T70/6T75 - Automatic Transmission/Control Valve Lower Body and Upper Body Replacement)

* Low and Reverse Clutch and 1-2-3-4 Clutch Plate Removal (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service

and Repair/Overhaul/8. Low and Reverse Clutch and 1-2-3-4 Clutch Plate Removal)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for control solenoid valve assembly replacement,

setup, and programming

P2715

DTC P2714 or P2715

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 SRX AWD V6-2.8L Turbo Page 1504

Conditions for Clearing the DTC

DTCs P0641, P0642, P0643, P0651, P0652, P0653, P0697, P0698, and P0699 are Type A DTCs.

Diagnostic Aids

The 5 V reference 1, 2, and 3 circuits provide 5 V to the following sensors:

P0641, P0642, and P0643

* Economy mode switch

* Turbocharger pressure sensor

* Secondary air injection (AIR) pressure sensor

* Engine oil pressure (EOP) sensor

* Fuel tank pressure sensor

P0651, P0652, and P0653

* All four camshaft position sensors

* Accelerator pedal position (APP) sensor 1

P0697, P0698, and P0699

* Throttle position sensor 1 and 2

* Crankshaft position sensor

* Accelerator pedal position (APP) sensor 2

* A/C refrigerant pressure sensor

It may be possible to locate the fault by disconnecting one component at a time from the 5 V reference circuit while viewing the 5 V Reference

Circuit parameter on the scan tool. The scan tool parameter will change from Malfunction to OK when the source of the fault is disconnected. If all

5 V reference components have been disconnected and a fault is still indicated, the fault may exist in the wiring harness.

Reference Information

Schematic Reference

Engine Controls Schematics (LAU) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)Engine Controls Schematics

(LF1) (See: Diagrams/Electrical Diagrams/Powertrain Management/System Diagram)

Connector End View Reference

Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)

Electrical Information Reference

* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit

Testing/Circuit Testing)

* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic

Procedures/Connector Repairs/Connector Repairs)

* 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)

* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring

Repairs/Wiring Repairs)

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. Ignition ON, observe the DTC information with a scan tool. DTC P0641, P0642, P0643, P0651, P0652, P0653, P0697, P0698, or P0699

should not set.

2. Observe the appropriate scan tool 5 V Reference 1, 2, or 3 Circuit Status parameter. The parameter should display OK.

3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the

conditions that you observed from the Freeze Frame/Failure Records data.

Circuit/System Testing

Note: Additional DTCs will set when disconnecting the components.

1. Ignition OFF, disconnect the harness connector of all appropriate sensors for the applicable DTC. Refer to Diagnostic Aids.