Powertrain
generic / SAE
P2606
Intake Air Heater B Circuit Range/Performance
The secondary intake air heater current does not match expected resistance. Either the grid is partially open or the relay contacts have high resistance.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 06
Possible causes
- Partial element failure raises grid resistance high
- Burned relay contacts medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–600 €
- Estimated time: 0.8–2.5 h
- Component: intake air heater b
- Component: heater relay
- MIL / check engine light
Sources
References
sae:J2012