C1552 Code - Power Source circuit Malfunction Inside Power Steering ECU
Quick Answer
When a problem occurs in the power steering system, the power source relay circuit is shut off to stop the power assist. Common causes include Power Steering ECU Fuse, Faulty Power Steering ECU, Power Steering ECU harness is open or shorted. 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
- C1552 indicates Power Source circuit Malfunction Inside Power Steering ECU.
- Common causes
- Common causes include Power Steering ECU Fuse, Faulty Power Steering ECU, Power Steering ECU harness is open or shorted.
- 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 C1552 Description
What are the Possible Causes of the DTC C1552?
- Power Steering ECU Fuse
- Faulty Power Steering ECU
- Power Steering ECU harness is open or shorted
- Power Steering ECU circuit poor electrical connection
How to Fix the DTC C1552?
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 C1552 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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Need Help with the Code?
Get the C1552 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1552 Lexus — Power Source circuit Malfunction Inside Power Steering ECU
- C1552 Scion — Power Source circuit Malfunction Inside Power Steering ECU
- C1552 Toyota — Power Source circuit Malfunction Inside Power Steering ECU
Frequently Asked Questions about C1552 Code
1. What are the common symptoms of OBDII code C1552 (Power Source circuit Malfunction Inside Power Steering ECU)?
- Common symptoms include difficulty steering, stiff steering wheel, loss of power steering assistance, and illuminated warning lights on the dashboard.
2. What are the possible causes of OBDII code C1552?
- The code C1552 can be triggered by issues such as a faulty power steering ECU, damaged wiring or connectors, low voltage to the ECU, or a failing power steering system.
3. How can I diagnose the OBDII code C1552?
- To diagnose the code C1552, a professional scan tool can be used to read the code and identify the specific issue. Additionally, a visual inspection of the power steering system components and wiring may be necessary.
4. What are some repair tips for addressing OBDII code C1552?
- Repair tips may include checking and repairing any damaged wiring or connectors, replacing a faulty power steering ECU, ensuring proper voltage supply to the ECU, and resetting the trouble codes after repairs are completed.
5. Can driving with OBDII code C1552 cause further damage to the vehicle?
- Continuing to drive with code C1552 may lead to increased strain on the power steering system components and potentially cause further damage, such as complete power steering failure.
6. Is it safe to continue driving the vehicle if OBDII code C1552 is present?
- It is not recommended to drive the vehicle with code C1552 present, as it can compromise the vehicle's steering system and pose a safety risk. It is advised to address the issue promptly.
7. Can I reset the OBDII code C1552 without fixing the underlying issue?
- While you can clear the code temporarily, it will likely reappear if the root cause is not addressed. It is essential to diagnose and repair the issue triggering the code for a permanent solution.
8. How much does it typically cost to repair OBDII code C1552?
- The cost of repairing code C1552 can vary depending on the specific issue causing the code, the extent of the repairs needed, and labor rates. It is recommended to consult a professional for an accurate estimate.
9. Can a DIY enthusiast fix OBDII code C1552 at home?
- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address code C1552 at home by following repair guides and using proper diagnostic equipment.
10. Will OBDII code C1552 cause my vehicle to fail an emissions test?
- If left unaddressed, code C1552 may lead to power steering system malfunctions that could impact the vehicle's emissions performance, potentially causing it to fail an emissions test.
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