Error code
OBD2 P2608
OBD2P2608
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Intake Air Heater 'B' Circuit High.
Severity
moderateCan drive but may experience reduced performance or increased emissions.
Summary
P2608 indicates an issue with the intake air heater 'B' circuit being too high, which is related to the engine's intake system.
Common Causes
- Wiring short to positive
- Intake air heater relay failure
- Intake air heater malfunction
Fixes
FAQ
What does P2608 mean?
P2608 indicates a problem with the intake air heater 'B' circuit being too high, which can affect engine performance and emissions.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2600Coolant Pump Control Circuit/Open
- P2601Coolant Pump Control Circuit Range/Performance
- P2602Coolant Pump Control Circuit Low
- P2603Coolant Pump Control Circuit High
- P2604Intake Air Heater 'A' Circuit Range/Performance
- P2605Intake Air Heater 'A' Circuit/Open
- P2606Intake Air Heater 'B' Circuit Range/Performance
- P2607Intake Air Heater 'B' Circuit Low
- P2609Intake Air Heater System Performance
- P2610ECM/PCM Internal Engine Off Timer Performance
- P2611A/C Refrigerant Distribution Valve Control Circuit/Open
- P2612A/C Refrigerant Distribution Valve Control Circuit Low