What Does U0429 Mean?
The receiving control module is getting invalid or corrupted data from the steering column control module over the network. This affects power steering, adjustable steering column functions, and related safety systems.
Common Causes
35%
Faulty steering column control module
30%
Damaged wiring or corroded connectors at steering column module
20%
Low voltage or poor ground connections at steering column
10%
CAN bus communication fault in steering column circuit
5%
Software corruption or version mismatch in steering column module
Diagnostic Steps
1
Step 1: Check for additional U-codes related to steering or network issues to determine scope of problem
2
Step 2: Verify battery voltage and test all fuses and ground connections related to steering column module
3
Step 3: Inspect steering column connectors and clock spring for damage, corrosion, or loose connections
4
Step 4: Use scan tool to monitor steering column module data and check for communication dropout
5
Step 5: Test CAN bus circuit integrity; reprogram or replace steering column control module if necessary
Estimated Repair Cost
$150 - $950
Parts + labor, varies by vehicle and location
The receiving control module is getting invalid or corrupted data from the steering column control module over the network. This affects power steering, adjustable steering column functions, and related safety systems.
The most common cause of U0429 (Invalid Data Received From Steering Column Control Module) is: Faulty steering column control module
Typical repair costs for U0429 range from $150 to $950, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Power steering assist may be reduced or lost. Adjustable steering column functions will not work properly. May affect steering-related safety systems.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0429 to identify the root cause.
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Quick Info
Category
Network
System
Steering System / Power Steering
Difficulty
Type
Generic (SAE)
Recommended Tools
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