Powertrain
generic / SAE
P2607
Intake Air Heater B Circuit Low
Voltage on the secondary intake air heater control line is below the expected window. Usually a short to ground or a shorted relay coil.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 07
Possible causes
- Control wire shorted to ground high
- Internal short in relay coil medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–500 €
- Estimated time: 0.8–2 h
- Component: intake air heater b
- Component: heater relay
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012