ESP / C0161 00
Read the instructions below then 
start the fault diagnostic procedure.
Symptom: TCS/ESP warning lamp comes on.
Message appears in display.
	
Brake Switch Circuit, Malfunction

Fault symptom
TCS/ESP warning lamp comes on.
Message appears in display.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Vehicle speed over 24 km/h | 
Fault criteria:
| Control module input short circuit. | 
System reaction to a fault:
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:
| • | Fault in connector H42-2 / H42-3 is often a cause of this DTC. | 
| • | A DTC can be generated if the brake pedal is depressed while the car is accelerating. | 
| Electrical fault in connecting leads or component. | 
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |