OBD Guide

U240E

Transmission Range Selector Control Module Powertrain Sensor CAN Bus Off

U240E is an OBD-II diagnostic trouble code meaning: Transmission Range Selector Control Module Powertrain Sensor CAN Bus Off. Common causes: malfunction of the gear range selector module, open or short circuit in can wiring. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect gear shifting
  • Check Engine light comes on
  • The gearbox goes into emergency mode
  • Lack of response to gear selector shifts
  • Loss of communication with other modules via CAN

Causes

  • Malfunction of the gear range selector module
  • Open or short circuit in CAN wiring
  • Poor contact in module connectors
  • Module power problems
  • Interference on the CAN bus

How to Fix

  1. Check the integrity of the CAN wiring to the module
  2. Check connections and contacts in module connectors
  3. Check the power supply and ground of the module
  4. Scan other modules for CAN errors
  5. If necessary, replace the gear range selector module

Related codes

FAQ

What does the U240E code mean?

U240E is an OBD-II diagnostic trouble code that indicates: Transmission Range Selector Control Module Powertrain Sensor CAN Bus Off

What causes a U240E error code?

The most common causes of U240E include: Malfunction of the gear range selector module; Open or short circuit in CAN wiring; Poor contact in module connectors; Module power problems.

How do I fix a U240E diagnostic trouble code?

To fix U240E: Check the integrity of the CAN wiring to the module. Check connections and contacts in module connectors. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U240E?

Limited driving only, diagnose soon

How much does it cost to fix U240E?

The estimated repair cost for U240E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat