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

No Response From Transmission Control Module (Diesel Only)

Test 1 - 2:

Test 3 - 5:

Test 6 - 7:

SYMPTOM
NO RESPONSE FROM TRANSMISSION CONTROL MODULE (DIESEL ONLY)

POSSIBLE CAUSES
- No response from transmission control module
- Fused ignition switch output (RUN/ST) circuit open
- Fused ignition switch output (START) circuit open
- Fused ignition switch output (START) circuit short
- Fused B(+) circuit open
- Ground circuit(s) open
- Open PCI BUS circuit
- Transmission control module