P2531 GMC - Ignition Switch Run Position Circuit Low
- Faulty Ignition Switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P2531 Gmc DescriptionThe Powertrain Control Module (PCM) monitors the Ignition Switch Run Position Circuit signal. The PCM sets the OBDII code when the Ignition Switch Run Position signal is out of factory specifications.
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