REC / B3884 02
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Brake light, faulty function.
Message appears in display.
Brake Light High Mounted Circuit, Short to Ground
Fault symptom
Brake light, faulty function.
Message appears in display.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Current consumption is over 3.5 A for more than 10 ms. |
System reaction to a fault:
| Control module output is switched off. |
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:
| High Position Brake Light |
| (See also description of readings/activations in diagnostic tool) |
