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Home >> Chevrolet >> 2019 >> Spark LS, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC U18AF-U18B4 >> DTC Descriptor
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DTC Descriptor

DTC U18AF

Lost Communications With Telematics Communications Interface Control Module on Ethernet Bus

DTC U18B0

Lost Communications With Instrument Cluster on Ethernet Bus

DTC U18B1

Lost Communications With Audio Amplifier on Ethernet Bus

DTC U18B2

Lost Communication with Rear Audio Control Module on Ethernet Bus

DTC U18B3

Lost Communications With Navigation Control Module on Ethernet Bus

DTC U18B4

Lost Communication with Radio on Ethernet Bus

For symptom byte information, refer to Symptom Byte List .

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