Powertrain
generic / SAE
P2561
A/C Control Module Requested MIL Illumination
The A/C / HVAC control module has requested the ECM to illuminate the malfunction indicator (MIL) because of an emissions-relevant fault on its side. The original fault is stored in the HVAC module — this code only signals that the ECM has honoured the request.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 61
Possible causes
- Internal fault in the HVAC module — read its DTCs high
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 50–800 €
- Estimated time: 0.3–3 h
- Component: hvac module
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012