B2145 Chevrolet Code - Outside Rearview Mirror Position Sensor Input Voltage High
Quick Answer
The Memory Mirror Module (MMM) receives inputs 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
- B2145 Chevrolet indicates Outside Rearview Mirror Position Sensor Input Voltage High.
- 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 B2145 Chevrolet Description
What are the Possible Causes of the DTC B2145 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 B2145 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 B2145 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 B2145 Chevrolet Code
1. What does the OBDII code B2145 mean for a Chevrolet?
The code B2145 indicates that the outside rearview mirror position sensor is reporting an input voltage that is too high, which may prevent proper mirror adjustment.
2. What are the common symptoms of the B2145 code?
Common symptoms include the side mirror not adjusting as intended, erratic mirror movement, or the mirror staying in a fixed position.
3. What causes the B2145 code to appear?
This code is often caused by a faulty mirror position sensor, damaged wiring or connectors, or a malfunctioning mirror control module.
4. Can a blown fuse trigger the B2145 code?
A blown fuse is unlikely to directly cause this code, but it could contribute to electrical issues affecting the mirror system.
5. How do you diagnose the B2145 code?
Diagnose the code by inspecting the wiring and connectors for damage, testing the mirror position sensor for proper voltage, and checking the control module for errors.
6. Is it safe to drive with the B2145 code active?
Yes, it is generally safe to drive, but the side mirror may not function properly, which could impact visibility and safety.
7. What repairs can fix the B2145 code?
Repairs may include replacing the mirror position sensor, repairing or replacing damaged wiring, or reprogramming the mirror control module.
8. How much does it cost to repair the B2145 code?
Repair costs vary but typically range from $150 to $400, depending on the component needing replacement and labor costs.
9. Can I clear the B2145 code without fixing the issue?
You can clear the code with an OBDII scanner, but it will likely return if the underlying issue is not resolved.
10. What tools are needed to troubleshoot the B2145 code?
You will need an OBDII scanner, a multimeter for voltage testing, and possibly a wiring diagram for your vehicle's mirror system.
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