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U0028

DTC U0028 HEATER CONTROL PANEL COMMUNICATION ERROR

DTC DETECTING CONDITION:
UART communication failure

TROUBLE SYMPTOM:
- Unable to operate A/C.
- DTC "U0028" Heater control panel communication failure was detected.
- DTC "53" Heater control panel communication failure was detected.

WIRING DIAGRAM:

- Auto A/C model

- Manual A/C model