Powertrain
generic / SAE
P2A0A
Manifold Absolute Pressure Sensor B Circuit
The ECM detects a generic fault on the secondary manifold absolute pressure sensor (MAP B). Air load estimation cannot be cross-checked.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 0A
Possible causes
- MAP B sensor failed high
- Wiring or connector fault medium
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 50–250 €
- Estimated time: 0.3–1.5 h
- Component: map sensor b
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012