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

Control Module TCM Is Not Coded

(P0702) CONTROL MODULE TCM IS NOT CODED





When Monitored and Set Condition
- When Monitored: With the ignition on.
- Set Condition: The TCM has not been flashed.

POSSIBLE CAUSES
- TRANSMISSION CONTROL MODULE NOT FLASHED

For a complete Transmission Control Module Circuit Diagram.

Diagnostic Test
1. TRANSMISSION CONTROL MODULE NOT FLASHED





View repair.
Repair >> Flash the Transmission Control Module to the proper level.
Perform NAG1 TRANSMISSION VERIFICATION TEST. Verification Tests