What Does U0236 Mean?
The electronic steering column lock module has lost communication with the vehicle network. This module secures the steering column when the vehicle is parked and must unlock for starting, affecting vehicle security and starting capability.
Safety Warning
Vehicle may not start or steering column may remain locked, preventing driving. If column is unlocked, vehicle is drivable but security feature is compromised.
Common Causes
35%
Failed column lock control module or internal actuator failure
25%
Corroded or damaged module connector in steering column
20%
Power supply fault or blown fuse to column lock system
12%
CAN bus communication circuit fault at column area
8%
Mechanical binding or failure of lock mechanism
Diagnostic Steps
1
Step 1: Check for power and ground at the column lock module connector with key in various positions
2
Step 2: Listen for actuator operation when attempting to start vehicle and verify mechanical lock movement
3
Step 3: Inspect steering column wiring harness for damage, especially at flex points near column tilt/telescope adjustments
4
Step 4: Test CAN bus signals at the column lock module connector for proper voltage and communication
5
Step 5: Replace column lock module if circuits test good, ensuring proper programming and synchronization with vehicle security system
Estimated Repair Cost
$300 - $1,500
Parts + labor, varies by vehicle and location
The electronic steering column lock module has lost communication with the vehicle network. This module secures the steering column when the vehicle is parked and must unlock for starting, affecting vehicle security and starting capability.
The most common cause of U0236 (Lost Communication With Column Lock Module) is: Failed column lock control module or internal actuator failure
Typical repair costs for U0236 range from $300 to $1,500, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Vehicle may not start or steering column may remain locked, preventing driving. If column is unlocked, vehicle is drivable but security feature is compromised.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0236 to identify the root cause.
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Quick Info
Category
Network
System
Security/Ignition System
Difficulty
Type
Generic (SAE)
Recommended Tools
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