Diagnostic Procedure

If B1552 sets without an apparent battery disconnect, check IPC connector C1 terminals A1, B1, A12 and B12 for good terminal contact. See Fig 1 . Repair as necessary. If PZM DTC B1552 is also a current code, battery disconnect has most likely occurred.

Fig 1: Identifying Instrument Panel Connector C1 Terminals (Connector C2 Similar)

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