DTC U0164 68: Communication Error With Climate Control Unit: Notes

DTC U0164 68 DETECTION CONDITION AND POSSIBLE CAUSE

Description	Communication error with climate control unit
Detection condition	Front body control module (FBCM) could not receive signals from the climate control unit for 5 s or more  with the ignition switched ON (engine off or on).
Fail-safe function	Not applicable
Possible cause	Climate control unit connector or terminal malfunction Front body control module (FBCM) connector or terminal malfunction Short to ground in wiring harness between climate control unit terminal K and front body control module (FBCM) terminal 2J Short to power supply in wiring harness between climate control unit terminal K and front body control module (FBCM) terminal 2J Open circuit in wiring harness between climate control unit terminal K and front body control module (FBCM) terminal 2J Climate control unit malfunction Front body control module (FBCM) malfunction