Powertrain
generic / SAE
P048E
Exhaust Pressure Control Valve A Position Sensor/Switch Circuit High
Exhaust Pressure Control Valve A Position Sensor/Switch Circuit High: the signal voltage is above the expected range. Often an open circuit or a short to supply voltage.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 8E
Possible causes
- Open signal line high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–600 €
- Estimated time: 0.5–2.5 h
- Component: exhaust pressure regulator
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012