OBD Guide

U2614

Drive Motor 2 Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2

U2614 is an OBD-II diagnostic trouble code meaning: Drive Motor 2 Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2. Common causes: open or short circuit in the can bus circuit, poor contact in module connectors. Estimated repair cost: $39–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$39–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Switching to emergency mode
  • Inability to start the engine (in some cases)
  • Unstable operation of the hybrid system

Causes

  • Open or short circuit in the CAN bus circuit
  • Poor contact in module connectors
  • Motor control module 2 malfunction
  • Problems with module power supply
  • Malfunction of the second hybrid transmission control module

How to Fix

  1. Check the integrity of the wiring harness and CAN bus connections
  2. Check power and grounding of both modules
  3. Diagnose motor control module 2
  4. Check the condition of the second hybrid powertrain control module
  5. Scan all modules for additional fault codes

Related codes

FAQ

What does the U2614 code mean?

U2614 is an OBD-II diagnostic trouble code that indicates: Drive Motor 2 Control Module Lost Communication With Hybrid/EV Powertrain Control Module 2

What causes a U2614 error code?

The most common causes of U2614 include: Open or short circuit in the CAN bus circuit; Poor contact in module connectors; Motor control module 2 malfunction; Problems with module power supply.

How do I fix a U2614 diagnostic trouble code?

To fix U2614: Check the integrity of the wiring harness and CAN bus connections. Check power and grounding of both modules. Diagnose motor control module 2. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2614?

Do not drive — repair immediately

How much does it cost to fix U2614?

The estimated repair cost for U2614 is $39–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat