OBD Guide
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B175D

Soft Top Power Source Roof

B175D is an OBD-II diagnostic trouble code meaning: Soft Top Power Source Roof. Common causes: blown roof power fuse, faulty power control relay. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Automatic folding soft top does not work
  • Intermittent operation of interns: roof mechanism
  • The warning light on the instrument panel is on

Causes

  • Blown roof power fuse
  • Faulty power control relay
  • Open or shorted wiring harness
  • Corrosion of contacts in connectors
  • Roof control unit malfunction
  • Motor/hydraulic pump damage

How to Fix

  1. Check the condition of the fuses in the fuse box (refer to the owner's manual)
  2. Test the roof control circuit relay
  3. Visually inspect the wiring harness for damage.
  4. Check connections and contacts in system connectors
  5. Read fault codes of the roof control unit (if special equipment is available)
  6. If necessary, replace faulty components

Related codes

B1750B1751B1752

FAQ

What does the B175D code mean?

B175D is an OBD-II diagnostic trouble code that indicates: Soft Top Power Source Roof

What causes a B175D error code?

The most common causes of B175D include: Blown roof power fuse; Faulty power control relay; Open or shorted wiring harness; Corrosion of contacts in connectors.

How do I fix a B175D diagnostic trouble code?

To fix B175D: Check the condition of the fuses in the fuse box (refer to the owner's manual). Test the roof control circuit relay. Visually inspect the wiring harness for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B175D?

Limited driving only, diagnose soon

How much does it cost to fix B175D?

The estimated repair cost for B175D is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat