C1428 Code - Actuator Pump Motor Circuit Malfunction
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
- C1428 indicates Actuator Pump Motor Circuit Malfunction.
- 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 C1428 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 C1428?
- 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 C1428?
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 C1428 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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Get the C1428 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1428 Lexus — Actuator Pump Motor Circuit Malfunction
- C1428 Scion — Actuator Pump Motor Circuit Malfunction
- C1428 Toyota — Actuator Pump Motor Circuit Malfunction
Frequently Asked Questions about C1428 Code
1. What are the common symptoms of OBDII code C1428 (Actuator Pump Motor Circuit Malfunction)?
- Common symptoms include the ABS warning light coming on, loss of ABS functionality, and unusual noises coming from the ABS pump motor.
2. What are the possible causes of OBDII code C1428?
- The code C1428 can be caused by issues such as a faulty ABS pump motor, damaged wiring or connectors, low brake fluid level, or a malfunctioning ABS control module.
3. How can I diagnose the cause of OBDII code C1428?
- Diagnosing the code typically involves checking the ABS system components, inspecting the wiring and connectors for damage, testing the ABS pump motor, and using a diagnostic scanner to read ABS fault codes.
4. Can I still drive my vehicle with OBDII code C1428 present?
- While it is possible to drive the vehicle with the code present, it is not recommended as the ABS system may not function properly, potentially compromising safety. It is advised to address the issue promptly.
5. How can I repair OBDII code C1428?
- Repairing the code C1428 involves addressing the specific cause identified during diagnosis. This may include replacing the ABS pump motor, repairing damaged wiring, replenishing brake fluid, or reprogramming the ABS control module.
6. Are there any DIY tips for fixing OBDII code C1428?
- DIY tips for fixing the code C1428 include checking fuses related to the ABS system, inspecting the ABS pump motor for any visible damage, and ensuring proper brake fluid level before seeking professional help if needed.
7. Is it safe to reset the OBDII code C1428 without fixing the underlying issue?
- It is not recommended to simply reset the code without addressing the underlying problem, as it may result in recurring issues with the ABS system and compromise the safety of the vehicle.
8. Can extreme weather conditions cause OBDII code C1428 to trigger?
- Extreme weather conditions, such as extreme cold or heat, can potentially affect the operation of ABS components and trigger the code C1428. Proper maintenance and inspection can help mitigate these issues.
9. How much does it typically cost to repair OBDII code C1428?
- The cost of repairing OBDII code C1428 can vary depending on the specific cause of the issue, the extent of the repairs needed, and labor costs. It is advisable to consult a mechanic for an accurate cost estimate.
10. Is it necessary to have the ABS system inspected regularly to prevent OBDII code C1428?
- Regular inspection and maintenance of the ABS system, including checking brake fluid levels, ensuring proper functioning of ABS components, and addressing any warning lights promptly, can help prevent issues like code C1428 from occurring.
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