DTC P1500: Engine Start Signal Circuit Malfunction: Condition

DTC is set when engine start signal is not detected by Power Control Module (PCM) when engine is started. DTC is also set when PCM detects engine start signal for 20 seconds or more while engine is running. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• Engine start signal circuit malfunction.
• PCM malfunction.