OBD Guide
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U1265

Amplifier ON Terminal

U1265 is an OBD-II diagnostic trouble code meaning: Amplifier ON Terminal. Common causes: open or short circuit in the amplifier circuit, poor contact in connectors. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Reducing sound power in the audio system
  • Amplifier intermittent operation
  • Check Engine Light Illuminates
  • Extraneous noise in the speakers

Causes

  • Open or short circuit in the amplifier circuit
  • Poor contact in connectors
  • Malfunction of the amplifier itself
  • Amplifier power problems

How to Fix

  1. Check the integrity of the wiring to the amplifier
  2. Inspect and clean connector contacts
  3. Check fuses and relays associated with the amplifier
  4. Test the amplifier on another car
  5. Replace the amplifier if necessary

Related codes

U1264U1266

FAQ

What does the U1265 code mean?

U1265 is an OBD-II diagnostic trouble code that indicates: Amplifier ON Terminal

What causes a U1265 error code?

The most common causes of U1265 include: Open or short circuit in the amplifier circuit; Poor contact in connectors; Malfunction of the amplifier itself; Amplifier power problems.

How do I fix a U1265 diagnostic trouble code?

To fix U1265: Check the integrity of the wiring to the amplifier. Inspect and clean connector contacts. Check fuses and relays associated with the amplifier. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1265?

Yes, but get it checked soon

How much does it cost to fix U1265?

The estimated repair cost for U1265 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat