OBD Guide

U3017

Control Module Timer/Clock Performance

U3017 is an OBD-II diagnostic trouble code meaning: Control Module Timer/Clock Performance. Common causes: ecu software failure, problems with ecu power supply. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Incorrect operation of the vehicle's electronic systems
  • Malfunctions of the on-board computer
  • Problems synchronizing different systems
  • Check Engine Light Illuminates
  • Possible malfunctions of the immobilizer

Causes

  • ECU software failure
  • Problems with ECU power supply
  • Damage to internal ECU components
  • Corrosion or oxidation of contacts
  • Grounding problems

How to Fix

  1. Check power supply and grounding of the ECU
  2. Inspect connectors and wires for damage
  3. Try to reflash the ECU
  4. If necessary, replace the ECU
  5. Check the operation of other related systems

Related codes

Error U3017 by Vehicle Brand

FAQ

What does the U3017 code mean?

U3017 is an OBD-II diagnostic trouble code that indicates: Control Module Timer/Clock Performance

What causes a U3017 error code?

The most common causes of U3017 include: ECU software failure; Problems with ECU power supply; Damage to internal ECU components; Corrosion or oxidation of contacts.

How do I fix a U3017 diagnostic trouble code?

To fix U3017: Check power supply and grounding of the ECU. Inspect connectors and wires for damage. Try to reflash the ECU. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U3017?

Yes, but get it checked soon

How much does it cost to fix U3017?

The estimated repair cost for U3017 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat