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TCS/ESP / C0800 07

Read the instructions below then start the fault diagnostic procedure.

Symptom: ABS/TCS/ESP warning lamp on. Message appears in display. Steering column lock not working.

  C0800 07


Supply voltage Too High

Fault symptom

ABS/TCS/ESP warning lamp on.

Message appears in display.

Steering column lock not working.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Battery voltage exceeds 18.5 V for 0.5 s.

System reaction to a fault:

No ABS/TCS/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.
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The DTC can be generated if a 24V battery charger is used to charge the battery or if another vehicle with 24V battery, e.g. a truck, has been used to help start the car.

Functions in the diagnostic tool related to the fault:

Test value:
Battery Voltage
(See also description of readings/activations in diagnostic tool)