OBD Guide

C1601

Electric Power Steering Battery Power Supply

C1601 is an OBD-II diagnostic trouble code meaning: Electric Power Steering Battery Power Supply. Common causes: broken or corroded wiring harness, faulty eur circuit fuse. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Stiff steering wheel rotation
  • ESP or EPS indicator is on
  • Loss of power steering

Causes

  • Broken or corroded wiring harness
  • Faulty EUR circuit fuse
  • Poor contact in connectors
  • Low battery voltage
  • Malfunction of the EUR control unit

How to Fix

  1. Check battery and generator voltage
  2. Inspect the EUR circuit fuses
  3. Check the integrity of the wiring harness
  4. Clean connector contacts
  5. Scan the power steering control unit for additional errors

Related codes

FAQ

What does the C1601 code mean?

C1601 is an OBD-II diagnostic trouble code that indicates: Electric Power Steering Battery Power Supply

What causes a C1601 error code?

The most common causes of C1601 include: Broken or corroded wiring harness; Faulty EUR circuit fuse; Poor contact in connectors; Low battery voltage.

How do I fix a C1601 diagnostic trouble code?

To fix C1601: Check battery and generator voltage. Inspect the EUR circuit fuses. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1601?

Limited driving only, diagnose soon

How much does it cost to fix C1601?

The estimated repair cost for C1601 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat