OBD Guide
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U1428

Received Engine Torque Request Signal Stuck

U1428 is an OBD-II diagnostic trouble code meaning: Received Engine Torque Request Signal Stuck. Common causes: torque signal circuit malfunction, problems with the powertrain control module (pcm). Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Reduced engine power
  • Switching to emergency mode
  • Check Engine light comes on
  • Unstable engine operation

Causes

  • Torque signal circuit malfunction
  • Problems with the powertrain control module (PCM)
  • Short circuit or broken wires
  • Software error in ECU
  • Problems with torque-related sensors

How to Fix

  1. Check the torque signal circuit for opens and short circuits.
  2. Scan the transmission control module for errors
  3. Check the operation of torque sensors
  4. Update ECU software if necessary
  5. Replace faulty circuit components

Related codes

U1427U1429

FAQ

What does the U1428 code mean?

U1428 is an OBD-II diagnostic trouble code that indicates: Received Engine Torque Request Signal Stuck

What causes a U1428 error code?

The most common causes of U1428 include: Torque signal circuit malfunction; Problems with the powertrain control module (PCM); Short circuit or broken wires; Software error in ECU.

How do I fix a U1428 diagnostic trouble code?

To fix U1428: Check the torque signal circuit for opens and short circuits.. Scan the transmission control module for errors. Check the operation of torque sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1428?

Yes, but get it checked soon

How much does it cost to fix U1428?

The estimated repair cost for U1428 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat