2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1715
2. Turn the ignition OFF for 1 minute.
3. Turn the ignition ON.
4. Retest for DTCs P06B1, P06B2, P06B4 and P06B5.
Circuit/System Testing
1. Clear the DTC and operate the vehicle under the condition for running and setting the DTC.
2. Shut the ignition OFF for 30 seconds, and verify that the DTC does not reset.
锟斤拷If the DTC resets, 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.
P07A3
DTC P07A3
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 P07A3
- Transmission Clutch 1 Stuck On
Circuit/System Description
The hybrid powertrain control module monitors the Clutch Slip parameters for each Hybrid Trans. Mode Commanded state. This DTC detects no
clutch slip when the hybrid low, 1-2 clutch is commanded OFF, indicating a stuck or welded clutch condition.
Conditions for Running the DTC
The hybrid low, 1-2 clutch is commanded OFF for 3 seconds.
Conditions for Setting the DTC
The hybrid powertrain control module detects the hybrid low, 1-2 clutch slip speed is less than 30 RPM for 4.5 seconds, when hybrid low, 1-2
clutch is commanded OFF.
Action Taken When the DTC Sets
P07A3 is a Type B DTC.
Conditions for Clearing the DTC
P07A3 is a Type B DTC.
Diagnostic Aids
When attempting to set transmission performance DTCs, observe the Freeze Frame and Failure Records to assist in duplicating the failure
conditions. Ensure the transmission fluid level is correct and there are no leaks. If there are any other transmission DTCs set, diagnose those first.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
