OBD Guide
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U1875

Drive Motor Control Module 1 Lost Communication With Battery Energy Control Module

U1875 is an OBD-II diagnostic trouble code meaning: Drive Motor Control Module 1 Lost Communication With Battery Energy Control Module. Common causes: broken or damaged wires between modules, engine control module malfunction. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Battery charging problems
  • Incorrect operation of the hybrid system
  • The engine may not start

Causes

  • Broken or damaged wires between modules
  • Engine control module malfunction
  • Battery management module malfunction
  • Problems with module power supply
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring between the modules
  2. Check power supply and grounding of modules
  3. Diagnose the engine control module
  4. Diagnose the battery control module
  5. Repair only from an authorized dealer

Related codes

U1876U1874U1877

FAQ

What does the U1875 code mean?

U1875 is an OBD-II diagnostic trouble code that indicates: Drive Motor Control Module 1 Lost Communication With Battery Energy Control Module

What causes a U1875 error code?

The most common causes of U1875 include: Broken or damaged wires between modules; Engine control module malfunction; Battery management module malfunction; Problems with module power supply.

How do I fix a U1875 diagnostic trouble code?

To fix U1875: Check the integrity of the wiring between the modules. Check power supply and grounding of modules. Diagnose the engine control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1875?

Do not drive — repair immediately

How much does it cost to fix U1875?

The estimated repair cost for U1875 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat