P1290 Code DODGE Possible Causes
- Faulty CNG shutoff relay
- CNG shutoff relay harness is open or shorted
- Poor electrical connection in CNG shutoff relay circuit
How is DODGE Code P1290 Repaired?
Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
What are the Possible Symptoms of DODGE Code P1290?
- Engine light on (or Service Engine Soon warning light)
What Does DODGE Code P1290 Mean?
CNG Fuel System Pressure Too High is the generic description for Dodge code P1290, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information on the Dodge P1290 OBDII code.