Operation CHARM: Car repair manuals for everyone.
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

VF Segments Stuck on One Setting, or Displays --F, or Some or All Inoperative

Test 1 - 2:




Test 3 - 7:




Test 8 - 10:






SYMPTOM
VF SEGMENTS STUCK ON ONE SETTING, OR DISPLAYS --F, OR SOME OR ALL INOPERATIVE

POSSIBLE CAUSES
- Check code(s) present
- Automatic temperature control
- Body control module
- Body control module
- Automatic temperature control
- Automatic temperature control
- Automatic temperature control
- Body control module
- Body control module
- Automatic temperature control
- Fused ignition switch output circuit open
- Ground circuit(s) open
- Automatic temperature control