ME9 / P0500 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Malfunction Indicator Lamp
Cruise control not working.
Message appears in display.
TCS/ESP lamp light in dashboard.
Vehicle Speed. Incorrect Signal.
Fault symptom
Malfunction Indicator Lamp
Cruise control not working.
Message appears in display.
TCS/ESP lamp light in dashboard.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 10 - 18 V. |
| Engine speed more than 1640 rpm for more than 5 seconds. |
Fault criteria:
| No or faulty vehicle speed signal from TCS/ESP. |
System reaction to a fault:
| The control module uses the signal from the right rear wheel sensor for continued function. |
Fault handling:
| (See section Fault handling III, "Other emission-related components and functions" for more information.) |
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:
| Wheel sensor fault or internal TCS/ESP fault |
| See fault diagnosis for the TCS/ESP DTC in question and bus fault diagnosis. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
