PRE-RELEASE
U1300
Read the instructions below then start the fault diagnostic procedure.
Symptom: The LED on the control button unit shows a red light.
| U1300 |
Fault symptoms
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The LED on the control button unit shows a red light.
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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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When the communication lead is short circuited to ground for more than 15 s.
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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 Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.Diagnostic help
No diagnostic communication is possible whilst the fault is active. The historical fault codes are erased after 50 fault free driving cycles.
