C1552
Power Source circuit Malfunction Inside Power Steering ECU
C1552 is an OBD-II diagnostic trouble code meaning: Power Source circuit Malfunction Inside Power Steering ECU. Common causes: poor contact in the power steering ecu power supply circuit, open or short circuit in wiring harness. Estimated repair cost: $111–333.
Symptoms
- Tight steering
- ESP or steering fault light is on
- Intermittent operation of the electric power steering
- Spontaneous power steering shutdown
Causes
- Poor contact in the power steering ECU power supply circuit
- Open or short circuit in wiring harness
- Malfunction of the power steering control unit
- Battery or alternator problems
- Corroded terminals or connectors
How to Fix
- Check battery voltage and generator operation
- Inspect the power steering ECU wiring harness and connectors for damage.
- Check the integrity of fuses and relays associated with the steering system
- Test the power steering ECU using a diagnostic scanner
- If necessary, replace damaged components or the ECU itself
Related codes
FAQ
What does the C1552 code mean?
C1552 is an OBD-II diagnostic trouble code that indicates: Power Source circuit Malfunction Inside Power Steering ECU
What causes a C1552 error code?
The most common causes of C1552 include: Poor contact in the power steering ECU power supply circuit; Open or short circuit in wiring harness; Malfunction of the power steering control unit; Battery or alternator problems.
How do I fix a C1552 diagnostic trouble code?
To fix C1552: Check battery voltage and generator operation. Inspect the power steering ECU wiring harness and connectors for damage.. Check the integrity of fuses and relays associated with the steering system. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1552?
Limited driving only, diagnose soon
How much does it cost to fix C1552?
The estimated repair cost for C1552 is $111–333. Actual cost depends on your vehicle, location, and labor rates.
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