2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1610

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1610

P06B1 or P06B4

The reference voltage is less than 12 V for 1 second.

P06B2 or P06B5

The reference voltage is greater than 18 V for 1 second.

Action Taken When the DTC Sets

* DTCs P06B1, P06B2, P06B4 and P06B5 are Type B DTCs.

* The PIM commands the battery energy control module (BECM) to open the high voltage contactor relays.

Conditions for Clearing the DTC

DTCs P06B1, P06B2, P06B4 and P06B5 are Type B 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)

Circuit/System Verification

1. Clear the DTC information.

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.

瀚慖f 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.

P06B2

DTC P06B1, P06B2, P06B4, or P06B5

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 P06B1

- Sensor Positive Voltage Circuit 1 Low Voltage

DTC P06B2

- Sensor Positive Voltage Circuit 1 High Voltage

DTC P06B4

- Sensor Positive Voltage Circuit 2 Low Voltage