Secondary Wake Up output is short circuit to ground.
â–¶ How to fix
Check the cable harness.
What you'll see
No driver-visible symptom recorded.
System reaction
It will not be possible for the climate control system to activate other systems connected to the wake up bus when the ignition is off.
Diagnostic depth
Detection
The wake up signal voltage level is measured by the climate control system (E138). The test is performed when the wake up is active.
Possible cause
The wake up signal cable harness is short circuit to ground.