B051B:0B Code - Right Side Assist Step Motor Control Circuit Current Above Threshold
Quick Answer
The Assist Step Control (ASC) Module controls the running board actuators to extend or retract the running boards. Common causes include Faulty Right Side Assist Step Motor, Right Side Assist Step Motor harness is open or shorted, Right Side Assist Step Motor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B051B:0B indicates Right Side Assist Step Motor Control Circuit Current Above Threshold.
- Common causes
- Common causes include Faulty Right Side Assist Step Motor, Right Side Assist Step Motor harness is open or shorted, Right Side Assist Step Motor circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B051B:0B Description
What are the Possible Causes of the DTC B051B:0B?
- Faulty Right Side Assist Step Motor
- Right Side Assist Step Motor harness is open or shorted
- Right Side Assist Step Motor circuit poor electrical connection
- Faulty Assist Step Control (ASC) Module
How to Fix the DTC B051B:0B?
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
B051B:01 Right Side Assist Step Motor Control Circuit Short to Battery
B051B:02 Right Side Assist Step Motor Control Circuit Short to Ground
B051B:04 Right Side Assist Step Motor Control Circuit Open Circuit
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B051B:0B 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 B051B:0B Code
1. What does the OBDII code B051B:0B mean?
This code indicates that the current in the right side assist step motor control circuit is above the acceptable threshold, suggesting an electrical issue.
2. What are the common symptoms of the B051B:0B code?
Symptoms may include the right side assist step not deploying or retracting, unusual noises from the step motor, or the step being stuck in one position.
3. What causes the B051B:0B code to appear?
Common causes include a faulty assist step motor, damaged wiring, short circuits, or a malfunctioning control module.
4. Can the B051B:0B code damage my vehicle?
While this code won't directly damage your vehicle, it may prevent proper operation of the assist step, potentially causing inconvenience or safety concerns.
5. How is the B051B:0B code diagnosed?
A technician will inspect the wiring and connectors, test the motor's resistance, and use a scan tool to monitor the control circuit for irregularities.
6. Can I drive with the B051B:0B code active?
Yes, you can drive, but the right side assist step may not function properly, which could be problematic for passengers needing assistance.
7. How can I fix the B051B:0B code?
Repairs may include replacing the assist step motor, repairing damaged wiring, clearing debris from the step mechanism, or updating the control module software.
8. How much does it cost to fix the B051B:0B code?
Repair costs vary but typically range from $100 to $500, depending on whether the motor, wiring, or control module requires replacement.
9. Can resetting the code fix the B051B:0B issue?
Resetting the code may clear it temporarily, but the underlying problem must be addressed to prevent the code from returning.
10. How can I prevent the B051B:0B code from occurring?
Regularly inspect and clean the assist step mechanism, check for damaged wiring, and address any unusual noises or malfunctions promptly.
Discuss the causes and fixes for B051B:0B OBDII Code
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