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EDC16 / P0500 7E

Read the instructions below then start the fault diagnostic procedure.

  P0500 7E


TCS/ESP Missing on Bus



On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

No communication with TCS/ESP for more than 0.25 s.

Checking the wiring harness

Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force.
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:


Functions in the diagnostic tool related to the fault:

Test value:
Bus Off Counter, P-Bus
(See also description of readings/activations in diagnostic tool)