B0500Driver Power Window Circuit Malfunction
- Generic OBD-II code · Body
- How the car detects it
- No public J2012 list includes B0500, and no carmaker documents it, so the code is not verified. The title concerns the driver's power window circuit. Saab handles this under its own numbers: in the 9-3 (2003–2012) the driver door module logs B3205/B3210 for an open, shorted or overloaded down or up path and retries on every new drive cycle; on the 2011 9-5 the BCM sets B3205 for an incompatible, internally failed or unlearned motor, the latter without one-touch travel. In US6906487B2 an H-bridge reads motor current for pinch detection. FMVSS 118 requires a window that closes by itself to reverse before 100 N, so a fault may block automatic closing. Switch faults belong to B0245, the down path alone to B0252.
- What you may notice
- Driver window does not move or only in one direction
- One-touch up/down and pinch protection out of action
- Window stops or reverses partway without reason
- Likely causes
- LikelyWindow motor worn, sluggish or with a dead spot
- PossibleWires broken in the rubber boot between body and door
- PossibleRegulator or glass runs bind, motor overloads
- RareEnd positions lost after battery disconnection, relearn needed
- Repair
- Medium · Often possible to do yourself.Typical cost: €80 – €500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.