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TuningBot DTC Database · v4.37.14

P2608 Intake air heater B - circuit high

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P2608 means

P2608
Intake air heater B - circuit high Generic · engine Data confidence 78%

The control module detected that the signal in the Intake air heater B circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • intake air heater relay
  • intake air heater

Related and nearby codes

How to read P2608

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

608

Specific fault index within the subsystem.

Frequently asked questions about P2608

What does P2608 mean?

Intake air heater B - circuit high. The control module detected that the signal in the Intake air heater B circuit stayed above the expected operating range.

Is P2608 generic or manufacturer-specific?

P2608 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2608 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

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