C146C 2013 Toyota RAV4 Code - Open In ABS Motor Relay Circuit
Quick Answer
The Motor Relay and motor fail-safe relay are built into the Brake Actuator Assembly. Common causes include Faulty Skid Control ECU (Brake Actuator Assembly), Skid Control ECU harness is open or shorted, Skid Control ECU 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
- C146C 2013 Toyota RAV4 indicates Open In ABS Motor Relay Circuit.
- Common causes
- Common causes include Faulty Skid Control ECU (Brake Actuator Assembly), Skid Control ECU harness is open or shorted, Skid Control ECU 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 C146C 2013 Toyota RAV4 Description
This DTC may be stored when the voltage to the motor relay power source is lower than the DTC detection condition due to low output from the battery or alternator.
What are the Possible Causes of the DTC C146C 2013 Toyota RAV4?
- Faulty Skid Control ECU (Brake Actuator Assembly)
- Skid Control ECU harness is open or shorted
- Skid Control ECU circuit poor electrical connection
How to Fix the DTC C146C 2013 Toyota RAV4?
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 C146C 2013 Toyota RAV4 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 C146C 2013 Toyota RAV4 Code
1. What are the common symptoms of OBDII code C146C in a 2013 Toyota RAV4?
- Common symptoms include the ABS warning light being illuminated on the dashboard, loss of ABS functionality, and potential issues with the vehicle's brake system.
2. What does the OBDII code C146C "Open In ABS Motor Relay Circuit" mean for a 2013 Toyota RAV4?
- This code indicates a detected open circuit in the ABS motor relay circuit of the vehicle's anti-lock braking system.
3. What are the possible causes of OBDII code C146C in a 2013 Toyota RAV4?
- The code C146C can be triggered by issues such as a faulty ABS motor relay, damaged wiring in the ABS motor relay circuit, or a malfunctioning ABS control module.
4. How can I diagnose the source of OBDII code C146C in my 2013 Toyota RAV4?
- To diagnose the issue, it is recommended to perform a thorough inspection of the ABS motor relay, check the wiring harness for any visible damage, and use a diagnostic scanner to pinpoint the exact location of the open circuit.
5. Can I continue driving my 2013 Toyota RAV4 with OBDII code C146C present?
- It is not recommended to drive the vehicle with an active ABS fault code, as it may compromise the effectiveness of the anti-lock braking system and pose a safety risk. Prompt attention and repair are advised.
6. How can I repair OBDII code C146C in my 2013 Toyota RAV4?
- Repairing OBDII code C146C typically involves replacing the faulty ABS motor relay, repairing any damaged wiring in the circuit, or addressing any underlying issues with the ABS control module.
7. Is it possible to reset OBDII code C146C in a 2013 Toyota RAV4 without fixing the underlying issue?
- While it is possible to clear the fault code using an OBDII scanner, the underlying issue causing the code will persist unless properly diagnosed and repaired. Simply clearing the code without addressing the problem will likely result in the code reappearing.
8. Are there any safety precautions to consider when working on OBDII code C146C in a 2013 Toyota RAV4?
- When working on the ABS system, it is important to disconnect the vehicle's battery to prevent any electrical mishaps, follow proper safety procedures, and consider seeking professional assistance if unsure of the repair process.
9. Can extreme weather conditions or driving habits contribute to triggering OBDII code C146C in a 2013 Toyota RAV4?
- While extreme weather conditions or aggressive driving may not directly cause code C146C, they can exacerbate existing issues in the ABS system, leading to the triggering of the fault code.
10. How can I prevent OBDII code C146C from occurring in my 2013 Toyota RAV4 in the future?
- Regular maintenance and inspection of the ABS system, including checking for loose connections, ensuring proper wiring integrity, and promptly addressing any warning lights on the dashboard, can help prevent code C146C from occurring.
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