DTC P1A0A: Immediate Shutdown Signal
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
P1A0A - IMMEDIATE SHUTDOWN SIGNAL
| Description: | The TCM monitors 2 redundant immediate shutdown (ISDN) inputs from the TBCM. When the TCM detects one or both inputs out of the expected range this DTC is set. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor I_SDN_1 and I_SDN_2 PIDs for discharge state. Only 1 PID stating charge and the other discharge indicates an ISDN circuit problem. Both PIDs stating discharge indicates a TBCM request for immediate shutdown. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test TR . | - | GO to Pinpoint Test TR . |