Powertrain
generic / SAE
P2536
Ignition Switch Accessory Position Circuit
General electrical fault on the ignition switch accessory (terminal 75 / ACC) input. ACC tells the ECM that radio, fans, accessory loads should be powered without the engine running. With the input invalid, the body controller may misjudge accessory power timing.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 36
Possible causes
- Open or shorted ACC wire high
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–500 €
- Estimated time: 0.5–2 h
- Component: ignition switch
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012