DTC P1510: ECM (Pcm) Back-Up Power Supply Malfunction: Condition
DTC is set when ECM (PCM) detects incorrect voltage at ECM (PCM) back-up power supply. Battery voltage is supplied so that diagnostic trouble code memory values are not lost when ignition is turned off. Possible cause are:
- Battery voltage supply circuit malfunction.
- ECM (PCM) malfunction.