OBD Guide
ENFRDEESPT

P155A

Cruise Control Switch State Undetermined

P155A is an OBD-II diagnostic trouble code meaning: Cruise Control Switch State Undetermined. Common causes: cruise control switch malfunction, problems in the electrical circuit of the 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 won't turn on
  • Spontaneous shutdown of cruise control
  • Cruise control indicator does not behave correctly
  • Cruise control does not respond to switch commands

Causes

  • Cruise control switch malfunction
  • Problems in the electrical circuit of the switch
  • Poor contact in connectors
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the status of the cruise control switch
  2. Inspect the electrical circuit for damage
  3. Check contacts in connectors
  4. Scan the control unit for errors
  5. If necessary, replace the cruise control switch

Related codes

P155BP155CP1560

FAQ

What does the P155A code mean?

P155A is an OBD-II diagnostic trouble code that indicates: Cruise Control Switch State Undetermined

What causes a P155A error code?

The most common causes of P155A include: Cruise control switch malfunction; Problems in the electrical circuit of the switch; Poor contact in connectors; Wiring harness damage.

How do I fix a P155A diagnostic trouble code?

To fix P155A: Check the status of the cruise control switch. Inspect the electrical circuit for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P155A?

Yes, but get it checked soon

How much does it cost to fix P155A?

The estimated repair cost for P155A is $17–56. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat