Dodge Cummins Diesel Forum banner
1 - 1 of 14 Posts

· Mopar1973Man.Com
Joined
·
26,034 Posts
Usually 1688 and 1689 codes are telling you there is communication problem or the computer on the VP44 dieing...

Unless...

The ECM is having problems???
 
1 - 1 of 14 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top