2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2171

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2171

Conditions for Running the DTC

* The control module runs the program to detect an internal fault when the key is ON.

* Ignition voltage is 7V or greater.

Conditions for Setting the DTC

The control module has detected an internal malfunction.

Action Taken When the DTC Sets

* DTCs P0601, P0602, P0603, P0604, P0606 and P062F 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 P0601, P0602, P0603, P0604, P0606 and P062F are Type A DTCs.

Reference Information

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code

(DTC) Type Definitions)

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)

Circuit/System Verification

1. Test for HPCM DTC P0562.

瀚慞erform HPCM P0562 diagnosis if set.

2. Clear the DTC information.

3. Ignition OFF for 1 minute.

4. Ignition ON.

5. Retest for DTCs P0601, P0602, P0603, P0604, P0606 and P062F.

Circuit/System Testing

1. Test for HPCM DTC P0562.

瀚慞erform HPCM P0562 diagnosis if set.

2. Program the PIM with the latest software version and recheck for DTCs.

瀚慖f 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.

ECM

DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 (ECM)

Diagnostic Instructions