SD POWER
UnclassifiedGeneral
What This Code Means
Checksum error; Engine misfiring in cylinders A4, A5, B8, and B9; Engine misfiring in cylinders B2 and B3; Open load issues
Possible Causes
- •Repeated invalid fuel fault
- •Faulty wiring to solenoid valves in cylinders A4, A5, B8, and B9
- •Disconnections in wiring to solenoid valves in cylinders B2 and B3
Suggested Actions
- 1Contact Service
- 2Check wiring before contacting Service
- 3Inspect wiring
- 4Contact Service if necessary
Related MTU Fault Codes
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for SD POWER on your specific MTU unit — cited to the OEM manual, not a forum guess.
TRY IT FREE