Powertrain
generic / SAE
P2B7C
EVAP System Pressure Sensor/Switch C Circuit Low
The EVAP pressure sensor/switch C reports a circuit low condition. Tank pressure plausibility for leak detection on this branch is impaired.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / 7C
Possible causes
- Signal wire shorted to ground high
- Internal sensor short medium
- Connector pins corroded - high contact resistance low
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–300 €
- Estimated time: 0.3–1.5 h
- Component: evap pressure sensor c
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012