OBD Guide
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C159C

Tire Pressure Load Switch Stuck

C159C is an OBD-II diagnostic trouble code meaning: Tire Pressure Load Switch Stuck. Common causes: mechanical sticking of the switch, contact corrosion. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect tire pressure readings
  • Tire pressure indicator is on
  • TPMS system does not respond to pressure changes

Causes

  • Mechanical sticking of the switch
  • Contact corrosion
  • Wiring Harness Problems
  • TPMS module malfunction

How to Fix

  1. Check pressure load switch for sticking
  2. Clean contacts from corrosion
  3. Check the integrity of the wiring harness
  4. Replace the TPMS switch or module if necessary

Related codes

C159DC159EC159F

FAQ

What does the C159C code mean?

C159C is an OBD-II diagnostic trouble code that indicates: Tire Pressure Load Switch Stuck

What causes a C159C error code?

The most common causes of C159C include: Mechanical sticking of the switch; Contact corrosion; Wiring Harness Problems; TPMS module malfunction.

How do I fix a C159C diagnostic trouble code?

To fix C159C: Check pressure load switch for sticking. Clean contacts from corrosion. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C159C?

Limited driving only, diagnose soon

How much does it cost to fix C159C?

The estimated repair cost for C159C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat