2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1118
4. With the S87 fuel economy mode switch button depressed, test for 486-538 ohm between 5 V reference voltage circuit terminal 9 and ground
circuit terminal 2 of the S87 fuel economy mode switch.
瀚慖f not within the specified range, replace the S87 fuel economy mode switch.
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 ECM replacement, setup and programming
P160D
DTC P0602-P0606, P0610, P0614, P0630, P06D1, P160D, P160E, P161C, or P2610 (ECM, LAU/LBW)
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 P0602
- Control Module Not Programmed
DTC P0603
- Control Module Long Term Memory Reset
DTC P0604
- Control Module Random Access Memory Performance
DTC P0605
- Control Module Programming Read Only Memory Performance
DTC P0606
- Control Module Processor Performance
DTC P0610
- Control Module Vehicle Options Incorrect
DTC P0614
- Engine Control Module/Transmission Control Module Programming Not Plausible
DTC P0630
- VIN Not Programmed or Mismatched - Engine Control Module (ECM)
DTC P06D1
- Control Module Ignition Coil System Circuitry Performance
DTC P160D
- Incorrect Engine Calibration Detected
DTC P160E
- Engine Calibration Monitoring Not Programmed
DTC P161C
- Tire Size Not Programmed
DTC P2610
- Control Module Ignition Off Timer Performance
Circuit/System Description
This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM). This diagnostic also addresses if
the ECM is not programmed, or is programmed incorrectly.
