Search found 1 match
- Thu Aug 11, 2022 2:55 pm
- Forum: GM Trucks
- Topic: 2017 Duramax DTC- P1029 Fuel Pump Phase U-V-W Circuits Open
- Replies: 5
- Views: 8221
2017 Duramax DTC- P1029 Fuel Pump Phase U-V-W Circuits Open
We have a 2017 GMC 3500 Duramax L5P that has been setting a P1029 code. The PCM has been replaced & updated with new software. The fuel pump module has been replaced along with the NOX sensors, (They set a fault code & were just recently replaced under warranty). The throttle body was replaced, also...