B171D
Soft Top Switching Valve 2
B171D is an OBD-II diagnostic trouble code meaning: Soft Top Switching Valve 2. Common causes: open or short circuit in valve control circuit, solenoid valve malfunction. Estimated repair cost: $56–167.
Symptoms
- Failure of the roof folding/unfolding mechanism
- Intermittent roof movement at a certain stage
- The malfunction indicator on the instrument panel lights up
- The system may go into emergency mode with operation prohibited
Causes
- Open or short circuit in valve control circuit
- Solenoid valve malfunction
- Wiring Harness Problems
- Mechanical valve jamming
- Leakage of hydraulic fluid (in hydraulic drives)
- Control unit malfunction
How to Fix
- Diagnose the system using a scanner
- Check the integrity of the wiring harness and connectors
- Measure resistance and apply test voltage to valve
- Check hydraulic system for leaks (if applicable)
- Replace faulty valve if necessary
- Reset the error and check the system operation
Related codes
FAQ
What does the B171D code mean?
B171D is an OBD-II diagnostic trouble code that indicates: Soft Top Switching Valve 2
What causes a B171D error code?
The most common causes of B171D include: Open or short circuit in valve control circuit; Solenoid valve malfunction; Wiring Harness Problems; Mechanical valve jamming.
How do I fix a B171D diagnostic trouble code?
To fix B171D: Diagnose the system using a scanner. Check the integrity of the wiring harness and connectors. Measure resistance and apply test voltage to valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B171D?
Limited driving only, diagnose soon
How much does it cost to fix B171D?
The estimated repair cost for B171D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat