Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Cabin Heater Inoperable From Auto Temp Control (ATC)
Test 1 - 2:
Test 3:
Test 4:
SYMPTOM CABIN HEATER INOPERABLE FROM AUTO TEMP CONTROL (ATC)
POSSIBLE CAUSES -
DCHA activation criteria not met
-
No PCI bus communication with FCM/ATC
-
FCM or ATC DTCs present
-
FCM fault
-
Auto temp control fault