Details On DTCs
U0186-00: (CMU) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Communication error with audio amplifier |
| Detection condition |
Determination conditions |
- The connectivity master unit (CMU) detects a communication interruption or communication error with the audio amplifier.
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| Preconditions |
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| Malfunction determination period |
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| Fail-safe |
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| Vehicle status when DTCs are output |
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| Possible cause |
- DTCs are stored in the body control module (BCM). (DTCs related to the communication error are stored.)
- DTCs are stored in the connectivity master unit (CMU). (Other DTCs related to the communication error are stored.)
- Connectivity master unit (CMU) malfunction
- Malfunction in wiring harness (including connector/terminal) between audio amplifier and connectivity master unit (CMU)
- Audio amplifier malfunction
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