2010 Cadillac Truck SRX AWD V6-3.0L Page 1587
* The TCM freezes transmission adaptive functions.
* The TCM commands an immediate landing to 2nd gear.
Conditions for Clearing the DTC
DTCs P0601, P0602, P0603, P0604 are Type A DTCs.
Reference Information
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. Engine running. Let the engine run for at least 1 min.
2. Ignition OFF for at least 30 s to allow for the complete shutdown of the TCM.
3. Ignition ON, verify that DTC P0602 is not set.
瀚慖f the DTC is set, program the TCM. If the DTC resets, replace the TCM.
4. Observe the DTC information with a scan tool. DTCs P0601, P0603, P0604 should not set.
瀚慖f a DTC sets, replace the TCM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Refer to Control Module References (See: Testing and Inspection/Programming and Relearning) for TCM replacement, setup, and
programming.
* Perform the Transmission Adaptive Functions (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/AF40-6 - Automatic Transmission/Transmission Adaptive Functions).
ECM
DTC P0601-P0604, P0606, P0607, P0610, P062B, P062F, P0630, P16F3, or P2610 (ECM, LF1/LFW/LWR)
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 P0601
- Control Module Read Only Memory Performance
DTC P0602
- Control Module Not Programmed
DTC P0603
- Control Module Long Term Memory Reset
DTC P0604
- Control Module Random Access Memory Performance
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