Convertible Top Rear Latch Sensor
The B0749 code means the vehicle's onboard diagnostic system has detected: Convertible Top Rear Latch Sensor. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- hard
- Estimated cost
- $200 - $1500 (parts and labor)
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Common Symptoms
- Convertible top does not operate
- Top stops mid-cycle
- Hydraulic pump runs but top does not move
- Convertible top warning light on
Probable Causes (Ranked by Likelihood)
- Faulty hydraulic pump motor Very High
- Low hydraulic fluid level High
- Failed top position microswitch Moderate
- Convertible top module failure Low
Step-by-Step Diagnostic Procedure
-
Check convertible top hydraulic fluid level
-
Test hydraulic pump motor operation
-
Inspect microswitches in top sequence
-
Scan convertible top module for faults
Frequently Asked Questions
Why does my convertible top stop halfway?
A microswitch in the sequence has failed, the hydraulic fluid is low, or the top has encountered an obstruction.
Can I manually close the convertible top?
Most convertible tops have a manual override procedure described in the owner manual for emergency closure.
How much does convertible top repair cost?
Costs vary widely from $200 for a switch to $1500+ for hydraulic pump or motor replacement.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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