B2059 Scion Code - Vehicle Speed Malfunction
Quick Answer
The seat belt control ECU receives vehicle speed information from the ECM and master cylinder solenoid (skid control ECU) via CAN communication. Common causes include Faulty Combination meter ECM, Faulty Master cylinder solenoid (skid control ECU), Faulty Seat belt control ECU. 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
- B2059 Scion indicates Vehicle Speed Malfunction.
- Common causes
- Common causes include Faulty Combination meter ECM, Faulty Master cylinder solenoid (skid control ECU), Faulty Seat belt control ECU.
- 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 B2059 Scion Description
What are the Possible Causes of the DTC B2059 Scion?
- Faulty Combination meter ECM
- Faulty Master cylinder solenoid (skid control ECU)
- Faulty Seat belt control ECU
- Faulty Distance control ECU
How to Fix the DTC B2059 Scion?
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 B2059 Scion 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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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service
- Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
- Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
- Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
- Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
Frequently Asked Questions about B2059 Scion Code
1. What are the common symptoms of OBDII code B2059 Scion (Vehicle Speed Malfunction)?
The common symptoms of OBDII code B2059 include erratic speedometer readings, cruise control malfunctions, and potential issues with the transmission shifting properly.
2. What are the possible causes of OBDII code B2059 Scion?
The typical causes of OBDII code B2059 include a malfunctioning vehicle speed sensor, damaged wiring or connectors related to the speed sensor, or a faulty instrument cluster.
3. How can I diagnose the OBDII code B2059 in my Scion?
Diagnosing OBDII code B2059 involves using a diagnostic scanner to retrieve the code, checking the vehicle speed sensor's connections and wiring, and testing the sensor's functionality using a multimeter.
4. Can a faulty vehicle speed sensor cause OBDII code B2059 in my Scion?
Yes, a faulty vehicle speed sensor is a common cause of OBDII code B2059. If the sensor is not functioning properly or sending incorrect signals, it can trigger this malfunction code.
5. How can I repair OBDII code B2059 in my Scion?
Repairing OBDII code B2059 often involves replacing the faulty vehicle speed sensor, repairing or replacing damaged wiring or connectors, or addressing any issues with the instrument cluster.
6. Is it safe to continue driving my Scion with OBDII code B2059?
It is not recommended to drive your Scion with OBDII code B2059, as it can lead to inaccurate speed readings and potential transmission issues. It is best to address the problem promptly to ensure safe operation of the vehicle.
7. Can OBDII code B2059 in my Scion be a sign of other underlying problems?
While OBDII code B2059 typically points to a vehicle speed sensor issue, it can also indicate problems with the transmission control module or other related components. Further diagnostics may be needed to identify any additional issues.
8. How long does it take to repair OBDII code B2059 in a Scion?
The time required to repair OBDII code B2059 can vary depending on the exact cause of the issue and the complexity of the repair. In general, it may take anywhere from 1-3 hours to diagnose and fix the problem.
9. Can I reset OBDII code B2059 in my Scion without fixing the underlying issue?
While you can clear the OBDII code B2059 using a diagnostic scanner, it is not recommended to do so without addressing the underlying problem. The code is likely to reappear until the root cause is resolved.
10. Will OBDII code B2059 cause my Scion to fail an emissions test?
OBDII code B2059 itself may not cause your Scion to fail an emissions test, but the underlying issue affecting the vehicle speed sensor could lead to other problems that impact emissions. It's best to address the code and repair the related components to ensure your vehicle passes the test.
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