OBD Guide
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B177C

Soft Top Thermo Protection

B177C is an OBD-II diagnostic trouble code meaning: Soft Top Thermo Protection. Common causes: overheating of drive mechanisms, temperature sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Soft roof failure
  • Error message on the instrument panel
  • Overheating of roof mechanisms

Causes

  • Overheating of drive mechanisms
  • Temperature sensor malfunction
  • Wiring Harness Problems
  • Malfunctions of electric motors

How to Fix

  1. Check the condition of drive mechanisms and electric motors
  2. Diagnose temperature sensor
  3. Check the integrity of the wiring harness
  4. Reset the error and test the system

Related codes

B177DB177E

FAQ

What does the B177C code mean?

B177C is an OBD-II diagnostic trouble code that indicates: Soft Top Thermo Protection

What causes a B177C error code?

The most common causes of B177C include: Overheating of drive mechanisms; Temperature sensor malfunction; Wiring Harness Problems; Malfunctions of electric motors.

How do I fix a B177C diagnostic trouble code?

To fix B177C: Check the condition of drive mechanisms and electric motors. Diagnose temperature sensor. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B177C?

Limited driving only, diagnose soon

How much does it cost to fix B177C?

The estimated repair cost for B177C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat