AutoCodes – RAM – B1F02 RAM

B1F02 RAM Code - Mirror Vertical Motor Control Circuit

Quick Answer

The Mirror Vertical Driver circuit supplies battery voltage for the mirror up position and ground for the mirror down position. Common causes include Faulty Outside Rear View Mirror, Outside Rear View Mirror harness is open or shorted, Outside Rear View Mirror 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: B1F02 RAM indicates Mirror Vertical Motor Control Circuit.
Common causes: Common causes include Faulty Outside Rear View Mirror, Outside Rear View Mirror harness is open or shorted, Outside Rear View Mirror 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.

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Code Popularity 560

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 05, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B1F02 RAM Description

The Mirror Vertical Driver circuit supplies battery voltage for the mirror up position and ground for the mirror down position. The Mirror Common Driver supplies battery voltage for the mirror Down position and ground for the mirror up position. The OBDII code will set if the Door Module detects a short to ground on the Mirror Vertical Driver circuit

OBDII Code B1F02 RAM - Mirror Vertical Motor Control Circuit - AutoCodes.com — B1F02 RAM Code - Mirror Vertical Motor Control Circuit

What does this mean?

What are the Possible Causes of the DTC B1F02 RAM?

Faulty Outside Rear View Mirror
Outside Rear View Mirror harness is open or shorted
Outside Rear View Mirror circuit poor electrical connection
Faulty Door Module

How to Fix the DTC B1F02 RAM?

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 does this mean?

Code Tech Notes

B1F02-11 MIRROR VERTICAL MOTOR CONTROL CIRCUIT SHORT TO GROUND
B1F02-12 MIRROR VERTICAL MOTOR CONTROL CIRCUIT SHORT TO BATTERY
B1F02-13 MIRROR VERTICAL MOTOR CONTROL CIRCUIT OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1F02 RAM 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1F02 RAM Code

1. What are the common symptoms of OBDII code B1F02 RAM related to Mirror Vertical Motor Control Circuit?

- Common symptoms include non-responsive mirror adjustments, erratic mirror movement, or complete failure of vertical mirror control.

2. What are the possible causes of OBDII code B1F02 RAM?

- Possible causes include a faulty mirror vertical motor, damaged wiring or connectors in the mirror control circuit, or a malfunctioning mirror switch.

3. How can I diagnose the issue causing OBDII code B1F02 RAM?

- You can diagnose the issue by checking the mirror vertical motor for proper operation, inspecting wiring and connectors for damage, and testing the mirror switch for functionality.

4. What repairs can be done to fix OBDII code B1F02 RAM?

- Repairs may involve replacing the mirror vertical motor, repairing or replacing damaged wiring or connectors, or addressing any issues with the mirror switch.

5. Can OBDII code B1F02 RAM be safely ignored if the mirror is still operable?

- While the mirror may still be operable, it is not recommended to ignore OBDII codes as they can indicate underlying issues that may worsen over time if left unaddressed.

6. Is it possible to reset OBDII code B1F02 RAM without fixing the root cause?

- Resetting the code without fixing the root cause may temporarily clear the error code, but it is likely to reappear if the underlying issue is not resolved.

7. Are there any DIY repair tips for addressing OBDII code B1F02 RAM?

- DIY repair tips may include carefully inspecting the mirror control circuit for visible damage, testing the mirror vertical motor for functionality, and checking the mirror switch for proper operation.

8. Can a professional mechanic help diagnose and repair OBDII code B1F02 RAM?

- Yes, a professional mechanic with experience in automotive electrical systems can accurately diagnose and repair the issue causing OBDII code B1F02 RAM.

9. How much can I expect to pay for repairs related to OBDII code B1F02 RAM?

- The cost of repairs can vary depending on the extent of the issue, parts needed for replacement, and labor charges. It is advisable to get a few quotes from different mechanics for comparison.

10. Will fixing OBDII code B1F02 RAM improve the overall functionality of the mirror control system?

- Yes, addressing OBDII code B1F02 RAM will likely improve the overall functionality of the mirror control system, ensuring smooth and reliable mirror adjustments.