U2611
Auxiliary Transmission Fluid Pump Control Module Lost Communication With Hybrid/EV Powertrain Control Module
U2611 is an OBD-II diagnostic trouble code meaning: Auxiliary Transmission Fluid Pump Control Module Lost Communication With Hybrid/EV Powertrain Control Module. Common causes: open or short circuit in the can bus, problems with power supply to the pump module. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Possible problems with gear shifting
- Reduced performance of the hybrid system
- Transmission overheating
- Occurrence of other related CAN bus errors
Causes
- Open or short circuit in the CAN bus
- Problems with power supply to the pump module
- Pump control module malfunction
- Wiring harness damage
- Problems with the hybrid powertrain control module
How to Fix
- Check the integrity of the CAN bus and wiring
- Check power supply and grounding of the pump module
- Scan the system for other CAN bus errors
- Check or replace pump control module
- If necessary, update the module software
Related codes
FAQ
What does the U2611 code mean?
U2611 is an OBD-II diagnostic trouble code that indicates: Auxiliary Transmission Fluid Pump Control Module Lost Communication With Hybrid/EV Powertrain Control Module
What causes a U2611 error code?
The most common causes of U2611 include: Open or short circuit in the CAN bus; Problems with power supply to the pump module; Pump control module malfunction; Wiring harness damage.
How do I fix a U2611 diagnostic trouble code?
To fix U2611: Check the integrity of the CAN bus and wiring. Check power supply and grounding of the pump module. Scan the system for other CAN bus errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U2611?
Limited driving only, diagnose soon
How much does it cost to fix U2611?
The estimated repair cost for U2611 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat