TA15 - Service Code 522: Does Engine Start?

Key On Engine Off Diagnostic Trouble Code (DTC) 522 indicates that during Self-Test, high voltage was sensed at Pin 30, Park Neutral Position (PNP).

Possible causes:

Engine starts:
- Transmission not in Park during Self-Test.
- Open PNP circuit between Powertrain Control Module (PCM) and connection to Start circuit.
- PNP/Start circuit short to power.
- Damaged PCM.

No start:
- Damaged starter relay.
- Open Start circuit between PNP switch and PNP connection to circuit, PNP switch and starter relay or starter relay and ground.

NOTE: Verify that transmission was in Park during Self-Test. If transmission was not In Park, rerun Self-Test and proceed as directed.

- Does engine start?

Yes -- Go to TA16. TA16 - Check PNP/Start Circuit For Short to Power

No -- Refer to Starting and Charging.