Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the computer that helps control the car's power steering has a memory problem. It's like when a computer has a glitch and can't remember how to do its job right.
The Power Steering Control Module (PSCM) has detected an error in its Read Only Memory (ROM), which is crucial for its operation.
The PSCM relies on its ROM to store essential data and instructions for managing the power steering system. An error in the ROM can lead to improper functioning of the power steering, as the module may not execute its tasks correctly.
• Loss of power steering assistance
• Steering wheel feels heavy
• Warning light on the dashboard
• Faulty Power Steering Control Module
• Corrupted ROM data
• Electrical issues affecting the module
ROM: Read Only Memory, a type of non-volatile storage used in computers and electronic devices.
PSCM: Power Steering Control Module, responsible for managing the power steering system.
• Scan the vehicle for trouble codes.
• Inspect the wiring and connections to the PSCM.
• Test the power and ground circuits of the PSCM.
• Reprogram or replace the Power Steering Control Module.
• Repair any damaged wiring or connections.
• Clear the trouble codes and test drive the vehicle.
• OBD-II scanner
• Multimeter
• Diagnostic software
$300 - $800
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular maintenance checks
• Ensure proper electrical connections
• Avoid water exposure to electronic components
Control Module Issue
• Avoid driving at high speeds until repaired.
• Consult a professional mechanic for accurate diagnosis.
Check with your vehicle manufacturer for warranty coverage on electronic control modules.
This code has been associated with vehicles that have electronic power steering systems, particularly in models from the mid-2000s onward.
High – Steering issues can affect vehicle control and safety.
Driving with impaired steering can be dangerous. It is advised to address this issue promptly to ensure vehicle safety.
• Vehicle at operating temperature
• Steering system engaged
The Power Steering Control Module is usually located near the steering column or integrated into the steering rack.
Q: Can I drive with a C1129 code?
A: It's not recommended to drive with this code active, as it can affect steering performance and safety.
Q: Will resetting the code fix the problem?
A: Resetting the code may temporarily clear the warning, but it won't fix the underlying issue causing the error.
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