OBD Guide

P0892

TCM Power Relay Sense Circuit Intermittent

P0892 is an OBD-II diagnostic trouble code meaning: TCM Power Relay Sense Circuit Intermittent. Common causes: faulty tcm power relay, damaged wiring or poor contacts. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Incorrect gearbox operation
  • Delays when shifting gears
  • Engine stalls when changing gears
  • Check Engine light comes on
  • The gearbox goes into emergency mode

Causes

  • Faulty TCM power relay
  • Damaged wiring or poor contacts
  • Problems with the TCM module
  • Short circuit in power supply
  • Unstable voltage in the on-board network

How to Fix

  1. Check the condition of the TCM power relay
  2. Inspect the wiring harness and contacts in the TCM power circuit
  3. Check voltage at relay and TCM terminals
  4. Replace faulty relay or damaged wires
  5. Replace TCM if necessary

Related codes

Error P0892 by Vehicle Brand

FAQ

What does the P0892 code mean?

P0892 is an OBD-II diagnostic trouble code that indicates: TCM Power Relay Sense Circuit Intermittent

What causes a P0892 error code?

The most common causes of P0892 include: Faulty TCM power relay; Damaged wiring or poor contacts; Problems with the TCM module; Short circuit in power supply.

How do I fix a P0892 diagnostic trouble code?

To fix P0892: Check the condition of the TCM power relay. Inspect the wiring harness and contacts in the TCM power circuit. Check voltage at relay and TCM terminals. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0892?

Limited driving only, diagnose soon

How much does it cost to fix P0892?

The estimated repair cost for P0892 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat