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TCS/ESP / C0161 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: TCS/ESP warning lamp comes on. Message appears in display.

  C0161 00


Brake Switch Circuit, Malfunction

Fault symptom

TCS/ESP warning lamp comes on.

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.
Vehicle speed over 24 km/h

Fault criteria:

Control module input short circuit.

System reaction to a fault:

No ESP function

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.
____________________________________
A DTC can be generated if the brake pedal is depressed while the car is accelerating.

Functions in the diagnostic tool related to the fault:

Test value:
Brake lights switch.
(See also description of readings/activations in diagnostic tool)

PRE-RELEASE