DTC P1E8E-P1E91
Diagnostic Instructions
DTC Descriptors
DTC P1E8E 00: Hybrid/EV Battery Interface Control Module 1 Performance
DTC P1E8F 00: Hybrid/EV Battery Interface Control Module 1 Random Access Memory Performance
DTC P1E90 00: Hybrid/EV Battery Interface Control Module 1 Read Only Memory Performance
DTC P1E91 00: Hybrid/EV Battery Interface Control Module 1 Long-Term Memory Performance
Circuit/System Description
The hybrid battery interface control module 1 will diagnose its own systems and determine when a fault condition is present. This diagnostic applies to internal microprocessor integrity conditions within the hybrid battery interface control module 1. This fault is internal to the hybrid battery interface control module 1 and no external circuits are involved.
Conditions for Running the DTC
| • | The control module is awake. |
| • | The system voltage is at least 9 V. |
Conditions for Setting the DTC
The control module has detected an internal malfunction.
Action Taken When the DTC Sets
DTCs P1E8E, P1E8F, P1E90 and P1E91 are type A DTCs.
Conditions for Clearing the DTC
DTCs P1E8E, P1E8F, P1E90, and P1E91 are type A DTCs.
Diagnostic Aids
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 P1E8E, P1E8F, P1E90 or P1E91 is not set.
| ⇒ | If any of the DTCs are set, replace the A4 hybrid/EV battery pack. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
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