RDCM / U0121 00
Read the instructions below then
start the fault diagnostic procedure.
TCS/ESP Missing on Bus
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| No communication with TCS/ESP |
System reaction to a fault:
| Rear wheel drive shut down |
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
Functions in the diagnostic tool related to the fault:
| • | Read / Reset Bus Configuration |
| (See also description of readings/activations in diagnostic tool) |
