U2616
Fuel Pump Driver Control Module Lost Communication With ECM
U2616 is an OBD-II diagnostic trouble code meaning: Fuel Pump Driver Control Module Lost Communication With ECM. Common causes: open or short circuit in communication circuit between fpcm and ecm, malfunction of the fuel pump control module. Estimated repair cost: $56–167.
Symptoms
- Engine won't start
- Unstable engine operation at idle
- Loss of power when accelerating
- Check Engine Light Is On
- Fuel supply problems
Causes
- Open or short circuit in communication circuit between FPCM and ECM
- Malfunction of the fuel pump control module
- Problems with the wiring harness or connectors
- Software failure in ECM
- Problems with module power or grounding
How to Fix
- Check continuity of communication circuit between FPCM and ECM
- Inspect connectors and wiring harness for damage
- Check power and grounding of the fuel pump control module
- Scan the ECM for other errors
- If necessary, replace the fuel pump control module
Related codes
FAQ
What does the U2616 code mean?
U2616 is an OBD-II diagnostic trouble code that indicates: Fuel Pump Driver Control Module Lost Communication With ECM
What causes a U2616 error code?
The most common causes of U2616 include: Open or short circuit in communication circuit between FPCM and ECM; Malfunction of the fuel pump control module; Problems with the wiring harness or connectors; Software failure in ECM.
How do I fix a U2616 diagnostic trouble code?
To fix U2616: Check continuity of communication circuit between FPCM and ECM. Inspect connectors and wiring harness for damage. Check power and grounding of the fuel pump control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2616?
Do not drive — repair immediately
How much does it cost to fix U2616?
The estimated repair cost for U2616 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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