B1605 Chevrolet Code - Mirror Motor Horizontal Circuit
Quick Answer
The Driver Door Module (DDM) or Passenger Door Module (PDM) controls the mirror horizontal and vertical motors through the use of bi-directional motor controls. Common causes include Faulty Driver/Passenger Rearview Mirror Motor, Driver/Passenger Rearview Mirror Motor harness is open or shorted, Driver/Passenger Rearview Mirror Motor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1605 Chevrolet indicates Mirror Motor Horizontal Circuit.
- Common causes
- Common causes include Faulty Driver/Passenger Rearview Mirror Motor, Driver/Passenger Rearview Mirror Motor harness is open or shorted, Driver/Passenger Rearview Mirror Motor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1605 Chevrolet Description
Horizontal controls operate in the same manner with the mirror motor horizontal control circuit supplying voltage or ground and the mirror motor common control circuit supplying voltage or ground to the mirror horizontal motor when the mirror is commanded right and left.
What are the Possible Causes of the DTC B1605 Chevrolet?
- Faulty Driver/Passenger Rearview Mirror Motor
- Driver/Passenger Rearview Mirror Motor harness is open or shorted
- Driver/Passenger Rearview Mirror Motor circuit poor electrical connection
- Faulty Driver Door Module (DDM) or Passenger Door Module (PDM)
How to Fix the DTC B1605 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
B1605 02 Mirror Motor Horizontal Circuit Short to Ground
B1605 04 Mirror Motor Horizontal Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1605 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1605 Chevrolet Code
1. What are some common symptoms of OBDII code B1605 for Chevrolet related to the Mirror Motor Horizontal Circuit?
- Common symptoms include non-responsive power mirrors, mirrors moving erratically, or mirrors not adjusting to the correct position.
2. What are the possible causes of OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit?
- Potential causes include faulty mirror motor, damaged wiring or connectors, blown fuse, or a malfunctioning mirror switch.
3. How can I diagnose the issue causing OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit?
- You can perform a visual inspection of the mirror motor, wiring, and connectors. Testing the mirror switch and checking for blown fuses can also help pinpoint the problem.
4. Can I repair OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit on my own?
- Depending on your level of expertise, you may be able to repair this issue on your own by replacing the mirror motor, fixing wiring connections, or replacing a blown fuse.
5. Are there any specific repair tips for addressing OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit?
- Ensure the mirror motor is receiving power and ground, check for any damaged or corroded wiring, and test the mirror switch functionality before proceeding with any repairs.
6. Is it safe to drive with OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit?
- While driving with this code may not pose an immediate safety risk, it is recommended to address the issue promptly to ensure proper functionality of your mirrors.
7. How much can I expect to pay to fix OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit?
- The cost of repairs can vary depending on the specific cause of the issue, but it may range from a few hundred dollars for DIY repairs to more if professional help is needed.
8. Will resetting the OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit make the issue go away?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Mirror Motor Horizontal Circuit issue.
9. Can extreme weather conditions affect the Mirror Motor Horizontal Circuit and trigger OBDII code B1605 for Chevrolet?
- Yes, extreme heat or cold can potentially impact the performance of the mirror motor or wiring, leading to issues that trigger the OBDII code B1605.
10. How long does it typically take to repair OBDII code B1605 for Chevrolet Mirror Motor Horizontal Circuit?
- The repair time can vary based on the complexity of the issue and your experience level, but it may range from a quick fix to a more involved repair requiring several hours.
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