Powertrain
generic / SAE
P2E7F
A/C Compressor Control Module Internal Temperature Sensor B Circuit Low
The ECM detects a circuit low fault on the a/c compressor control module internal temperature sensor b circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberE / 7F
Possible causes
- Signal wire shorted to ground high
- Internal sensor short medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–4 h
- Component: ac compressor cm internal temp sensor b
- Component: wiring harness
- Component: ac compressor module
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012