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P2538-Ignition-Switch-Accessory-Position-Circuit-High
#1

Ignition Switch Accessory Position Circuit High

The Powertrain Control Module (PCM) monitors the Ignition Switch Accessory Position signal. The PCM sets the OBDII code when the Ignition Switch Accessory Position signal is out of factory specifications.

Cause:
Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection

Symptoms:
Check engine light
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