P1681

P1681 00

Control Module. Internal Fault







Fault symptom
- Check Engine
- Limp home

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- When the ECM is awake, diagnosis is active (even with the ignition off).

Fault criteria:
- No pulses generated to the control module input of throttle position sensor 2.

Dependent:
- None

System reaction to a fault:
- Limp home

OK report:
- Fault criterion not fulfilled and vehicle speed over 0 km/h for more than 60 s.

Fault handling:
Type III
(See section Fault handling III, "Other emission-related components and functions" for more information.)

Diagnostic help

Diagnosis regards:
- To locate electrical faults in the control module internal electronics.
- See "Before changing a control module" and "After fitting a control module" under Fault diagnosis, general.

Functions in the diagnostic tool related to the fault:
- See menu "All - Add/Remove"