P0719

P0719 00

Brake Light Switch Circuit. Short To Ground.







Fault symptom
Check Engine (OBD II).
Cruise control not working.
On-board diagnosis

On-board diagnosis

Type of diagnosis:
Continuous

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

Fault criteria:
No status change for the brake light switch when vehicle speed has been reduced from 40 - 3 km/h (25 - 2 mph) within a period of 2 - 12 s.
Status change for the brake pedal switch has occurred.

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 Description of On-Board Diagnostics/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