Powertrain
generic / SAE
P2AB0
Particulate Matter Sensor Processor Performance
The ECM detects a processing performance fault inside the particulate matter (PM) sensor module. Internal self-tests fail or computed soot mass is implausible.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / B0
Possible causes
- Internal PM sensor module fault high
- Module firmware corruption after voltage drop medium
- Module software outdated, reflash may resolve low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 400–1500 €
- Estimated time: 1–4 h
- Component: pm sensor
- Component: pm sensor module
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012