PRE-RELEASE
U1000
Read the instructions below then start the fault diagnostic procedure.
Symptom: The LED on the control button unit shows a red light. or no LED indication on the control button unit.
| U1000 |
Fault symptoms
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The LED on the control button unit shows a red light.
or |
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| • |
no LED indication on the control button unit.
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On-Board Diagnosis
Type of diagnosis:| - |
Once every driving cycle
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Enabling criteria:
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Ignition ON
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U1300 or U1301 must not be active
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Fault criteria:
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No communication between VCIM and OIM for more than 15s.
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Checking the wiring harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.Diagnostic help
The present fault code is erased directly the fault ceases. The historical fault codes are erased after 50 fault free driving cycles.
