U2006

What does U2006 mean?

U-code U2006 means "Audio Remote Climate Control Unit is Not Responding". It is a generic OBD-II diagnostic trouble code (DTC) in the vehicle network (CAN/LIN bus). A fault has been detected in the audio remote climate control unit is not responding — the control module has logged this condition during self-diagnostics. This code can be monitored, but service is recommended to prevent escalation. This code applies to OBD-II compliant electric and hybrid vehicles.

Possible Causes

• Damaged CAN or LIN bus wiring
• Faulty or non-responsive control module
• Software or firmware corruption in the module
• Power supply or ground issue at the module

Recommended Actions

1. 1 Note the alert and schedule a diagnostic appointment when convenient
2. 2 Scan for all DTCs with an OBD-II scanner — note any related codes stored alongside U2006
3. 3 Inspect the vehicle network (CAN/LIN bus) component and its wiring for visible damage
4. 4 Check for water intrusion in connector areas and clean contacts if corroded
5. 5 Clear the DTC, road-test the vehicle, and re-scan to confirm whether the fault returns
6. 6 If the fault persists after inspection and clearing, consult an EV-certified technician for component replacement

Related Network fault codes