OBD Guide

U1508

Implausible Message Data Length Received From ESM

U1508 is an OBD-II diagnostic trouble code meaning: Implausible Message Data Length Received From ESM. Common causes: esm module malfunction, problems with wiring or connectors. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Incorrect gear shifting
  • The gearbox goes into emergency mode
  • Delay when shifting gears
  • Check Engine Light Is On
  • Lost Communication with ESM Module

Causes

  • ESM module malfunction
  • Problems with wiring or connectors
  • Software failure in the ESM module
  • ESM module power problems
  • Short circuit in communication circuit

How to Fix

  1. Check connections and wiring to the ESM module
  2. Check power and grounding of the ESM module
  3. Scan the ESM module for additional errors
  4. Update or reflash the ESM module software
  5. If necessary, replace the ESM module

Related codes

FAQ

What does the U1508 code mean?

U1508 is an OBD-II diagnostic trouble code that indicates: Implausible Message Data Length Received From ESM

What causes a U1508 error code?

The most common causes of U1508 include: ESM module malfunction; Problems with wiring or connectors; Software failure in the ESM module; ESM module power problems.

How do I fix a U1508 diagnostic trouble code?

To fix U1508: Check connections and wiring to the ESM module. Check power and grounding of the ESM module. Scan the ESM module for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1508?

Limited driving only, diagnose soon

How much does it cost to fix U1508?

The estimated repair cost for U1508 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat