OBD Guide
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C2179

Tire Pressure Monitor ECU Communication Stop

C2179 is an OBD-II diagnostic trouble code meaning: Tire Pressure Monitor ECU Communication Stop. Common causes: tpms module power supply circuit open, wiring harness damage. Estimated repair cost: $56–167.

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

Symptoms

  • Tire pressure indicator is on
  • Lack of tire pressure data on the dashboard
  • TPMS Error Message

Causes

  • TPMS module power supply circuit open
  • Wiring harness damage
  • TPMS module malfunction
  • Software failure in the ECU
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the TPMS module supply voltage
  3. Check the connection between the TPMS module and the ECU
  4. Reset error
  5. Replace TPMS module or wiring harness if necessary

Related codes

C2171C2172C2173

FAQ

What does the C2179 code mean?

C2179 is an OBD-II diagnostic trouble code that indicates: Tire Pressure Monitor ECU Communication Stop

What causes a C2179 error code?

The most common causes of C2179 include: TPMS module power supply circuit open; Wiring harness damage; TPMS module malfunction; Software failure in the ECU.

How do I fix a C2179 diagnostic trouble code?

To fix C2179: Check the integrity of the wiring harness. Check the TPMS module supply voltage. Check the connection between the TPMS module and the ECU. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2179?

Limited driving only, diagnose soon

How much does it cost to fix C2179?

The estimated repair cost for C2179 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat