C146D 2014 Toyota RAV4 Code - Short 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
- C146D 2014 Toyota RAV4 indicates Short 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 C146D 2014 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 C146D 2014 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 C146D 2014 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 C146D 2014 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 C146D 2014 Toyota RAV4 Code
1. What does the OBDII code C146D mean for a 2014 Toyota RAV4?
C146D indicates a short circuit in the ABS motor relay circuit, which can affect the operation of the anti-lock braking system (ABS).
2. What are the common symptoms of code C146D in a 2014 Toyota RAV4?
Common symptoms include the ABS warning light being illuminated, reduced braking performance, and the ABS system failing to engage during hard braking.
3. What causes the C146D code to appear in a 2014 Toyota RAV4?
This code is typically caused by a short circuit in the ABS motor relay, damaged wiring, a faulty ABS motor relay, or issues with the ABS control module.
4. Can I still drive my 2014 Toyota RAV4 with code C146D?
While the vehicle may still be drivable, the ABS system will not function properly, increasing the risk of skidding or losing control during hard braking or slippery conditions.
5. How do I diagnose the C146D code in my 2014 Toyota RAV4?
Diagnosis involves checking the ABS motor relay, inspecting the wiring and connectors for damage, and testing the ABS control module for proper operation.
6. What should I inspect first when troubleshooting code C146D?
Start by inspecting the ABS motor relay and its associated wiring for signs of damage, corrosion, or loose connections.
7. How is code C146D typically fixed in a 2014 Toyota RAV4?
Repairs may include replacing the ABS motor relay, repairing or replacing damaged wiring, or in rare cases, replacing the ABS control module.
8. How much does it cost to repair the C146D code on a 2014 Toyota RAV4?
Repair costs can range from $100 to $500, depending on whether the issue is limited to the relay or involves more extensive wiring or module repairs.
9. Can a dead battery cause the C146D code in a Toyota RAV4?
A dead battery itself won't cause this code, but voltage irregularities during a low battery condition could potentially impact the ABS system.
10. Do I need to reset the ABS system after fixing code C146D?
Yes, after completing repairs, the ABS system may need to be reset using an OBDII scanner to clear the code and verify the fix.
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