C146C Lexus 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 Lexus 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 Lexus 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 Lexus?
- 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 Lexus?
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 Lexus 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.
Need more information about the C146C Lexus code?
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Frequently Asked Questions about C146C Lexus Code
1. What are the common symptoms of OBDII code C146C in a Lexus related to an open in the ABS motor relay circuit?
The common symptoms include ABS warning light illuminated on the dashboard, loss of ABS functionality, and potential issues with traction control.
2. What can cause the OBDII code C146C in a Lexus indicating an open in the ABS motor relay circuit?
Potential causes include a faulty ABS motor relay, damaged wiring or connectors in the circuit, or a malfunctioning ABS control module.
3. How can I diagnose the open in the ABS motor relay circuit in a Lexus when OBDII code C146C is triggered?
Diagnosis typically involves checking the ABS motor relay, inspecting the wiring and connectors for damage, and testing the ABS control module for proper function.
4. Is it safe to continue driving a Lexus with the OBDII code C146C indicating an open in the ABS motor relay circuit?
It is not recommended to drive the vehicle with this code active, as it can affect the operation of the ABS system, potentially compromising safety in emergency braking situations.
5. Can I repair the open in the ABS motor relay circuit in a Lexus myself?
If you have experience working with automotive electrical systems, you may be able to repair the issue yourself by replacing the faulty ABS motor relay, repairing damaged wiring, or addressing connector issues.
6. Are there any specific repair tips for fixing the open in the ABS motor relay circuit in a Lexus?
Ensure you have the correct replacement parts, follow the manufacturer's repair procedures, and use proper tools to avoid causing further damage to the ABS system during repair.
7. How much does it typically cost to fix the OBDII code C146C related to an open in the ABS motor relay circuit in a Lexus?
The cost of repair can vary depending on the specific issue, parts needed, and labor rates, but it is advisable to get a quote from a reputable automotive repair shop.
8. Can a Lexus dealership help with diagnosing and repairing the OBDII code C146C indicating an open in the ABS motor relay circuit?
Yes, Lexus dealerships have trained technicians and specialized equipment to diagnose and repair ABS system issues, including those related to OBDII codes like C146C.
9. What are the potential risks of ignoring the OBDII code C146C associated with an open in the ABS motor relay circuit in a Lexus?
Ignoring this code can lead to further damage to the ABS system, potential safety hazards during braking, and may result in a failed vehicle inspection in regions where ABS functionality is mandatory.
10. How can I prevent the recurrence of the OBDII code C146C in my Lexus after repairing the open in the ABS motor relay circuit?
Regular maintenance, including checking the ABS system during routine service, inspecting wiring for damage, and addressing any warning lights promptly can help prevent the code from recurring.
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