PRE-RELEASE
U1500
Read the instructions below then start the fault diagnostic procedure.
Symptom: The LED on the control button unit shows a red light. It is not possible to ring to the OnStar Call Center (OCC).
| U1500 |
Fault symptoms
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The LED on the control button unit shows a red light.
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It is not possible to ring to the OnStar Call Center (OCC).
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On-Board Diagnosis
Type of diagnosis:| - |
Continuous
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Enabling criteria:
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Ignition ON
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Fault criteria:
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Fault in the internal communication in the VCIM.
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Diagnostic help
The present fault code is erased directly the fault ceases. The historical fault codes are erased after 50 fault free driving cycles.
