B1669 – Mirror Passenger Up/Down Motor Stalled
The ODBII code B1669 indicates that the passenger side mirror’s up/down motor has stalled, meaning it is unable to move or operate properly.
The severity of ODBII code B1669 is generally considered moderate.
Common Causes For: B1668 Mirror Driver Right/Left Motor Stalled
- Faulty passenger side mirror motor
- Obstruction in the mirror mechanism
- Wiring issues or damaged connectors
- Blown fuse related to the mirror system
- Faulty switch or control module
- Low battery voltage or electrical issues
- Corrosion or poor ground connections
Common misdiagnosis for B1669 Mirror Passenger Up/Down Motor Stalled
- Faulty window switch
- Wiring issues
- Defective power window motor
- Broken window regulator
- Electrical connector problems
- Body control module (BCM) failure
- Incorrectly programmed or malfunctioning key fob
- Fuse issues
Common Troubleshooting Steps
When dealing with an OBD-II code B1669, which indicates that the passenger side mirror’s up/down motor has stalled, there are several common troubleshooting steps you can take to diagnose and potentially resolve the issue. Here’s a systematic approach:
- Visual Inspection: **Check the Mirror Assembly: Inspect the passenger side mirror for any physical damage or obstructions that may prevent movement.
- **Wiring and Connectors: Look for damaged wires, loose connections, or corrosion in the wiring harness leading to the mirror motor.
- Test the Mirror Motor: **Direct Power Test: If possible, disconnect the mirror motor and apply direct power to it to see if it operates. This can help determine if the motor itself is faulty.
- **Listen for Noises: When attempting to operate the mirror, listen for any unusual sounds that may indicate a mechanical issue.
- Check the Switch: **Test the Control Switch: Use a multimeter to check the switch that controls the mirror movement. Ensure that it is functioning correctly and sending power to the mirror motor.
- **Inspect for Sticking: Make sure the switch is not stuck or jammed in one position.
- Inspect the Fuse: **Check Fuses: Locate the fuse associated with the mirror operation in the vehicle’s fuse box and check if it is blown. Replace it if necessary.
- Scan for Additional Codes: **Use a Diagnostic Scanner: Check for any other related trouble codes that may provide more context or indicate additional issues with the vehicle’s electrical system.
- Check for Ground Issues: **Ground Connections: Ensure that the ground connections for the mirror motor are secure and free of corrosion. A poor ground can lead to insufficient power reaching the motor.
- Inspect the Body Control Module (BCM): **BCM Functionality: If all other components check out, the issue may lie with the Body Control Module. Ensure it is functioning correctly and that there are no software issues.
- Reset the System: **Clear Codes: After performing any repairs or replacements, clear the trouble codes using a diagnostic scanner and test the mirror operation again.
- Consult Repair Manual: **Refer to Vehicle-Specific Information: If the issue persists, consult the vehicle’s repair manual for specific troubleshooting steps related to the mirror system.
- Professional Help: **Seek Assistance: If you are unable to resolve the issue after these steps, consider seeking help from a professional mechanic or an automotive technician who specializes in electrical systems. By following these steps, you should be able to identify the cause of the B1669 code and take appropriate action to fix the issue with the passenger side mirror.