P0724

P0724 00

Brake Light Switch Circuit. Open / Short to B+.







Fault symptom
- Check Engine (OBDII).
- Cruise control not working.

On-board diagnosis

Type of diagnosis:
- Continuous

Enable criteria:
- Battery voltage must be between 11 - 16 V.
- Engine running.

Fault criteria:
- When vehicle speed increases from 3 - 40 km/h (2 - 25 mph) within a period of 2 - 12 sec. when read value on the input is "ON".
- A DTC is generated if this occurs 4 consecutive times.

Dependent:
- None

System reaction to a fault:
- Cruise control switched off.

OK report:
- Status change for the brake pedal switch has occurred.

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

Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:
- Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:

Test value:
- Brake Light Switch
(See also description of readings/activations in diagnostic tool)