C1555 Code - Power Steering Motor Relay Welding Failure
Quick Answer
The Power Steering ECU supplies current to the Power Steering Motor through this circuit. Common causes include Faulty Power Steering Motor Assembly, Power Steering Motor Assembly harness is open or shorted, Power Steering Motor Assembly 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
- C1555 indicates Power Steering Motor Relay Welding Failure.
- Common causes
- Common causes include Faulty Power Steering Motor Assembly, Power Steering Motor Assembly harness is open or shorted, Power Steering Motor Assembly 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 C1555 Description
What are the Possible Causes of the DTC C1555?
- Faulty Power Steering Motor Assembly
- Power Steering Motor Assembly harness is open or shorted
- Power Steering Motor Assembly circuit poor electrical connection
- Faulty Power Steering ECU
How to Fix the DTC C1555?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1555 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 C1555 code?
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Need Help with the Code?
Get the C1555 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1555 Lexus — Power Steering Motor Relay Welding Failure
- C1555 Scion — Power Steering Motor Relay Welding Failure
- C1555 Toyota — Power Steering Motor Relay Welding Failure
Frequently Asked Questions about C1555 Code
1. What are the common symptoms of OBDII code C1555 related to Power Steering Motor Relay Welding Failure?
The common symptoms include a loss of power steering assistance, illuminated warning lights on the dashboard, and difficulty turning the steering wheel.
2. What causes the Power Steering Motor Relay Welding Failure leading to code C1555?
The most common cause is a malfunction in the power steering motor relay, which can result in the welding of the contacts due to excessive current flow.
3. How can I diagnose the issue associated with OBDII code C1555 for Power Steering Motor Relay Welding Failure?
Diagnosis involves using a professional OBDII scanner to retrieve the code, checking the power steering motor relay for signs of welding, and testing the relay for proper functionality.
4. What are the potential risks of driving with OBDII code C1555 due to Power Steering Motor Relay Welding Failure?
Driving with this issue can lead to a sudden loss of power steering assistance, making it challenging to steer the vehicle, especially at lower speeds or when parking.
5. Can I repair the Power Steering Motor Relay Welding Failure causing OBDII code C1555 on my own?
While it's possible for experienced individuals to replace the power steering motor relay themselves, it is recommended to seek professional help to ensure proper diagnosis and repair.
6. Is it safe to continue driving my vehicle with OBDII code C1555 related to Power Steering Motor Relay Welding Failure?
It is not recommended to drive the vehicle with this issue, as the loss of power steering assistance can compromise driving safety, especially in emergency situations.
7. How much does it typically cost to repair OBDII code C1555 caused by Power Steering Motor Relay Welding Failure?
The cost of repair can vary depending on the extent of the damage and the specific components that need to be replaced, but it generally ranges from $200 to $500 at a repair shop.
8. Can a Power Steering Motor Relay Welding Failure leading to OBDII code C1555 be prevented?
Regular maintenance and inspections of the power steering system, including checking the relay for signs of damage or wear, can help prevent welding failure and related issues.
9. Are there any recalls or technical service bulletins related to OBDII code C1555 for Power Steering Motor Relay Welding Failure?
It's advisable to check with the vehicle manufacturer or authorized dealerships for any recalls or technical service bulletins related to this specific code and issue.
10. How long does it typically take to repair OBDII code C1555 caused by Power Steering Motor Relay Welding Failure?
The repair process can take anywhere from a few hours to a full day, depending on the availability of parts and the complexity of accessing and replacing the power steering motor relay.
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