C1451 Code - Motor Drive Permission Malfunction
Quick Answer
If air bleeding has not been performed, the Skid Control ECU stores Diagnostic Trouble Code (DTC) C1451/72 to prevent the entry of air due to the pump motor operation. Common causes include Brake fluid leaks, Air bleeding not performed. 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
- C1451 indicates Motor Drive Permission Malfunction.
- Common causes
- Common causes include Brake fluid leaks, Air bleeding not performed.
- 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 C1451 Description
What are the Possible Causes of the DTC C1451?
- Brake fluid leaks
- Air bleeding not performed
How to Fix the DTC C1451?
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 C1451 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 C1451 code?
Need more information on how to fix the C1451 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C1451 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1451 Lexus — Motor Drive Permission Malfunction
- C1451 Toyota — Motor Drive Permission Malfunction
Frequently Asked Questions about C1451 Code
1. What are the common symptoms of OBDII code C1451 (Motor Drive Permission Malfunction)?
- Common symptoms include the vehicle not starting, loss of power steering, and the inability to switch between driving modes.
2. What can cause the OBDII code C1451 to trigger?
- The code C1451 can be triggered by issues with the motor control unit, damaged wiring, or a malfunctioning motor drive system.
3. How can I diagnose the OBDII code C1451?
- Diagnosing code C1451 involves using a scan tool to read the fault codes, checking the motor drive system components for damage, and inspecting the wiring for any issues.
4. What are some possible repair tips for fixing OBDII code C1451?
- Repair tips may include checking and repairing any damaged wiring, replacing the motor control unit if necessary, and resetting the fault codes with a scan tool after completing repairs.
5. Can I continue driving my vehicle with the OBDII code C1451 present?
- It is not recommended to continue driving your vehicle with the code C1451 present, as it indicates a malfunction in the motor drive system that may lead to further issues or safety concerns.
6. How much does it typically cost to repair OBDII code C1451?
- The cost of repairing code C1451 can vary depending on the exact cause of the malfunction, but it may range from a few hundred to over a thousand dollars, including parts and labor.
7. Are there any common DIY fixes for OBDII code C1451?
- While some basic inspections and wiring checks can be done by DIY enthusiasts, resolving code C1451 often requires specialized tools and expertise, so professional assistance is recommended.
8. Can a malfunctioning motor drive system cause other OBDII codes to trigger?
- Yes, a malfunctioning motor drive system can cause other related codes to trigger, such as codes related to motor control unit communication or power supply issues.
9. Is it possible for the OBDII code C1451 to reappear after being reset?
- Yes, if the underlying issue causing code C1451 is not properly addressed and repaired, the code may reappear after being reset with a scan tool.
10. How urgent is it to address OBDII code C1451 once it appears?
- It is recommended to address code C1451 promptly to prevent further damage to the motor drive system and ensure the safe operation of the vehicle.
Discuss the causes and fixes for C1451 OBDII Code
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hi I have 2013 Toyota Prius base module it had an accident on right front the ABS cable from the harness was damage I have fix it the code for the ABS RF gone but I still have 3codes c1451 c1354 c1336 I try to program it it was not fix thank you
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Hello Nasir! What model and year is your vehicle? I need that information to help you with the code C1451
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