Powertrain
generic / SAE
P2C25
Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit High
The position sensor for exhaust heat exchanger bypass valve A reports a circuit high condition. Heat recovery routing cannot be verified reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 25
Possible causes
- Signal wire shorted to B+ high
- Open position sensor medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–800 €
- Estimated time: 1–4 h
- Component: exhaust heat exchanger bypass valve a pos sensor
- Component: wiring harness
- Component: ecm
- MIL / check engine light
Sources
References
sae:J2012