OBD Guide

B17C4

Right Sidemarker Lamp Control Circuit Overcurrent

B17C4 is an OBD-II diagnostic trouble code meaning: Right Sidemarker Lamp Control Circuit Overcurrent. Common causes: short circuit in the circuit, wiring harness fault. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • The right side light does not work
  • Flashing or unstable operation of the flashlight
  • The malfunction lamp on the dashboard comes on

Causes

  • Short circuit in the circuit
  • Wiring harness fault
  • Control module problem
  • Malfunction of the side light itself

How to Fix

  1. Check the condition of the right side lamp
  2. Inspect the wiring harness for damage
  3. Check circuit for short circuit
  4. Replace faulty components

Related codes

FAQ

What does the B17C4 code mean?

B17C4 is an OBD-II diagnostic trouble code that indicates: Right Sidemarker Lamp Control Circuit Overcurrent

What causes a B17C4 error code?

The most common causes of B17C4 include: Short circuit in the circuit; Wiring harness fault; Control module problem; Malfunction of the side light itself.

How do I fix a B17C4 diagnostic trouble code?

To fix B17C4: Check the condition of the right side lamp. Inspect the wiring harness for damage. Check circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B17C4?

Yes, but get it checked soon

How much does it cost to fix B17C4?

The estimated repair cost for B17C4 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat