B2146 Chevrolet Code - Outside Rearview Mirror Position Sensor Input Voltage Low
Quick Answer
The Memory Mirror Module (MMM) receives input from mirror position sensors during these functions: memory recall, memory seat, and easy exit. Common causes include Faulty Outside Rearview Mirror Motor, Outside Rearview Mirror Motor harness is open or shorted, Outside 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
- B2146 Chevrolet indicates Outside Rearview Mirror Position Sensor Input Voltage Low.
- Common causes
- Common causes include Faulty Outside Rearview Mirror Motor, Outside Rearview Mirror Motor harness is open or shorted, Outside 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 B2146 Chevrolet Description
What are the Possible Causes of the DTC B2146 Chevrolet?
- Faulty Outside Rearview Mirror Motor
- Outside Rearview Mirror Motor harness is open or shorted
- Outside Rearview Mirror Motor circuit poor electrical connection
- Faulty Memory Mirror Module (MMM)
How to Fix the DTC B2146 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2146 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 B2146 Chevrolet Code
1. What are the common symptoms of OBDII code B2146 in a Chevrolet related to the outside rearview mirror position sensor?
The common symptoms include malfunctioning or erratic movement of the outside rearview mirrors, mirrors not adjusting properly, or mirror position not holding correctly.
2. What causes the OBDII code B2146 in a Chevrolet indicating Outside Rearview Mirror Position Sensor Input Voltage Low?
The code B2146 typically indicates a fault with the outside rearview mirror position sensor, which could be caused by damaged wiring, a faulty sensor, or a poor electrical connection.
3. How can I diagnose the OBDII code B2146 related to the Outside Rearview Mirror Position Sensor Input Voltage Low in a Chevrolet?
Diagnosis involves inspecting the wiring and connections related to the outside rearview mirror position sensor, checking the sensor for proper functioning, and testing the voltage levels to determine the source of the low input voltage.
4. Can I still drive my Chevrolet with the OBDII code B2146 present?
While it may be possible to drive the vehicle with the code present, it is recommended to address the issue promptly to avoid potential safety hazards or further damage to the outside rearview mirrors.
5. Is it possible to reset the OBDII code B2146 in a Chevrolet without fixing the underlying issue?
Resetting the code without addressing the root cause, such as repairing the outside rearview mirror position sensor or related components, is not recommended as the issue is likely to reoccur.
6. Are there any simple repair tips for fixing the OBDII code B2146 in a Chevrolet related to the outside rearview mirror position sensor?
Simple repair tips may include checking and repairing any damaged wiring, ensuring proper electrical connections, and replacing the outside rearview mirror position sensor if necessary.
7. Can extreme weather conditions affect the occurrence of OBDII code B2146 in a Chevrolet?
Extreme weather conditions can potentially impact the outside rearview mirror position sensor's performance, leading to issues like low input voltage and triggering the B2146 trouble code.
8. How much does it typically cost to repair the OBDII code B2146 in a Chevrolet caused by the Outside Rearview Mirror Position Sensor Input Voltage Low?
The cost of repair can vary depending on the extent of the damage and the specific components requiring replacement, but it may range from a few hundred to a few thousand dollars, including parts and labor.
9. Are there any recalls or technical service bulletins related to the OBDII code B2146 in Chevrolet vehicles?
It is advisable to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins specific to the OBDII code B2146 and the outside rearview mirror position sensor issue in Chevrolet vehicles.
10. How important is it to address the OBDII code B2146 in a Chevrolet pertaining to the Outside Rearview Mirror Position Sensor Input Voltage Low promptly?
Addressing the B2146 trouble code promptly is crucial to ensure the proper functioning of the outside rearview mirror position sensor, maintain safe driving conditions, and prevent any further electrical issues in the vehicle.
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