P16C2

DTC P16C1-P16C5

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.

* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC P16C1
- Battery Charger Control Module Read Only Memory Performance

DTC P16C2
- Battery Charger Control Module Random Access Memory Performance

DTC P16C3
- Battery Charger Control Module Long Term Memory Performance

DTC P16C4
- Battery Charger Control Module Serial Peripheral Interface (SPI) Bus 1

DTC P16C5
- Battery Charger Control Module Serial Peripheral Interface (SPI) Bus 2

For symptom byte information, refer to Symptom Byte List Symptom Byte List.

Circuit/System Description

The battery charger will diagnose its own systems and determine when a fault condition is present. This diagnostic applies to internal microprocessor integrity conditions within the battery charger. This fault is internal to the battery charger and no external circuits are involved.

Conditions for Running the DTC

* The device is awake and communicating.

* The vehicle is in charge mode.

* Charge mode is not in heat only mode.

Conditions for Setting the DTC

The device has detected an internal malfunction.

Action Taken When the DTC Sets

DTCs P16C1, P16C2, P16C3, P16C4, and P16C5 are type A DTCs.

Conditions for Clearing the DTC

DTCs P16C1, P16C2, P16C3, P16C4, and P16C5 are type A DTCs.

Diagnostic Aids

* The DTC may be stored as a history DTC without affecting the operation of the device.

* If stored only as a history DTC and not retrieved as a current DTC, do not replace the device.

Circuit/System Verification

1. Vehicle in Service Mode.

2. Verify that DTC P16C1, P16C2, P16C3, P16C4, or P16C5 is not set.

• If any of the DTCs are set
Replace the T18 Battery Charger.

• If none of the DTCs are set

3. All OK

Repair Instructions

Perform the Diagnostic Repair Verification Verification Tests after completing the repair.

Control Module References Programming and Relearning for device replacement, programming and setup