DTC P16C1-P16C5
Diagnostic Instructions
DTC Descriptors
DTC P16C1 00: Battery Charger Control Module Read Only Memory Performance
DTC P16C2 00: Battery Charger Control Module Random Access Memory Performance
DTC P16C3 00: Battery Charger Control Module Long-Term Memory Performance
DTC P16C4 00: Battery Charger Control Module Serial Peripheral Interface (SPI) Bus 1
DTC P16C5 00: Battery Charger Control Module Serial Peripheral Interface (SPI) Bus 2
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 control module is awake and communicating. |
| • | The vehicle is in charge mode. |
| • | Charge mode is not in heat-only mode. |
Conditions for Setting the DTC
The control module 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 control module. |
| • | If stored only as a history DTC and not retrieved as a current DTC, do not replace the control module. |
Circuit/System Verification
Verify that DTC P16C1, P16C2, P16C3, P16C4, or P16C5 is not set.
| ⇒ | If any of the DTCs are set, replace the T18 battery charger. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for control module replacement, programming and setup
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