OBD Guide
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P155C

Cruise Control Resume/Acceleration Switch 2 Circuit

P155C is an OBD-II diagnostic trouble code meaning: Cruise Control Resume/Acceleration Switch 2 Circuit. Common causes: open or short circuit in switch circuit, faulty resume/accelerate switch. Estimated repair cost: $17–56.

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

Symptoms

  • Cruise control doesn't work
  • Check Engine light comes on
  • Unable to resume set speed
  • Problems with the acceleration function in cruise control mode

Causes

  • Open or short circuit in switch circuit
  • Faulty resume/accelerate switch
  • Wiring Harness Problems
  • Contact corrosion
  • Cruise control module malfunction

How to Fix

  1. Check the continuity of the switch circuit
  2. Inspect and clean switch contacts
  3. Test the switch with a multimeter
  4. Check wiring harness for damage
  5. If necessary, replace the switch or repair the wiring

Related codes

P155BP155DP155A

FAQ

What does the P155C code mean?

P155C is an OBD-II diagnostic trouble code that indicates: Cruise Control Resume/Acceleration Switch 2 Circuit

What causes a P155C error code?

The most common causes of P155C include: Open or short circuit in switch circuit; Faulty resume/accelerate switch; Wiring Harness Problems; Contact corrosion.

How do I fix a P155C diagnostic trouble code?

To fix P155C: Check the continuity of the switch circuit. Inspect and clean switch contacts. Test the switch with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P155C?

Yes, but get it checked soon

How much does it cost to fix P155C?

The estimated repair cost for P155C is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat