No Communication Between ECM and Injection Pump Module Data
Table of contents
P1689 JEEP Possible Causes
- Faulty Fuel Pump Control Module (FPCM)
- Fuel Pump Control Module (FPCM) harness is open or shorted
- Fuel Pump Control Module (FPCM) circuit poor electrical connection
How do I fix code P1689 JEEP?
Check 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’s pins.
Cost of diagnosing the P1689 JEEP code
The cost of diagnosing the P1689 JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1689 JEEP Description
Fuel Pump Control Module (FPCM) is monitored with ignition on engine off, and with the engine running. The P1689 code may set if FPCM, Powertrain Control Module (PCM) memory, programming or hardware error is detected.