There is an internal electrical error with the climate control system (E138) shutdown mechanism.
â–¶ How to fix
Replace the climate control system.
What you'll see
No driver-visible symptom recorded.
System reaction
It is not guaranteed that the climate control system can save important information when shutting down. DTCs, EOL configuration etc. might not be saved when data has changed.
Diagnostic depth
Detection
An internal status signal from the electronics is monitored by the climate control system. The test is performed continuously.
Possible cause
Internal electrical error.