Powertrain
generic / SAE
P242A
Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3
A general circuit fault is detected on the EGT sensor at bank 1 sensor 3 (typically just downstream of the turbo or before the catalyst). The ECU loses thermal protection feedback for the catalyst and DPF.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 2A
Possible causes
- Open in sensor or wiring high
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–400 €
- Estimated time: 0.6–1.8 h
- Component: egt sensor b1s3
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012