(VIN: -039999) Trionic T7 V6 OBD II (B308E)

P0507
Idle Speed Control. Idling Speed too High.

Fault symptoms
- CHECK ENGINE.
- Fast idling speed.

On-Board Diagnostics
Type of diagnosis:
- Continuous. But interrupted when fault criteria fulfilled and does not restart until next driving cycle.

Enable conditions:
- General conditions for this trouble code: When starting the engine, the atmospheric pressure must exceed 78 kPa and the engine coolant and intake air temperatures must exceed -7°C.
- Engine running. Car stationary. Accelerator pedal fully released. Idle speed control requesting smallest possible air mass per combustion.

Fault criteria:
- Engine speed is more than 200 rpm higher than the requested idling speed for 5 S.

Dependents:
- P0501, P0502, P1230, P1530, P1531 and P1532.





System reaction to a fault:
- None.

OK report:
- Diagnosis performed once and fault criteria not fulfilled.

Fault handling: See "Fault diagnosis, general" for more information.
- Type III.

Diagnostic help
If other codes have been generated, check whether fault diagnosis should start with any of them. Then, check whether the throttle is in limp-home mode and finally, check whether there is an air leak after the throttle.

Functions in the diagnostic tool related to the fault:
- Diagnostic status for the diagnosis.
- Idle speed control, unit ON/OFF.
- Idle speed difference, unit rpm.

See also the description of readings in "Fault diagnosis, general" for more information.