What are the possible causes of code P1294?
- Faulty Injector Driver Module (IDM)
- Injector Driver Module harness is open or shorted
- Poor electrical connection in the Injector Driver Module circuit
How to repair code P1294?
Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
What are the possible symptoms of code P1294?
- Engine light on (or Service Engine Soon warning light)
What does code P1294 mean?
The Injector Driver Module (IDM) is capable of detecting individual injector open circuits and short circuits to ground or power while the engine is running. The IDM is also capable of detecting open circuits or short circuits to ground in the high side circuit of the right or left bank. Diagnostic Trouble Code (DTC) P1294 indicates an open circuit on the high side between the Injector Driver Module and the fuel injector.