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TCS/ESP / U2103 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: TCS warning lamp on. Message appears in display.

  U2103 00


TCS/ESP was Missing on Bus

Fault symptom

TCS warning lamp on.

Message appears in display.

On-board diagnosis

Enable criteria:

Ignition ON.

Fault criteria:

Control module absent on the P-bus.

System reaction to a fault:

No 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

In order to read DTC from TCS/ESP, communication with CIM is required. If the DTC is stored and read with the diagnostic instrument, it indicates intermittent bus lead fault.