What Does C0241 Mean?
This code indicates the Electronic Brake Control Module (EBCM) has detected an abnormal electrical condition in one or more ABS/traction control hydraulic control valve circuits. The EBCM monitors the solenoid valve circuits for opens, shorts to ground, shorts to voltage, or excessive resistance that prevent proper brake pressure modulation. This fault compromises the vehicle's ability to perform anti-lock braking, traction control, and stability control functions.
Safety Warning
Vehicle is unsafe to drive as ABS, traction control, and stability control systems are disabled or malfunctioning, significantly increasing stopping distances and loss of control risk in emergency situations or slippery conditions. Immediate repair is required before operating the vehicle.
Common Causes
35%
Faulty ABS hydraulic control unit with internal valve solenoid failure or coil degradation
30%
Damaged wiring harness or connector corrosion between EBCM and hydraulic control valves
20%
Failed EBCM internal driver circuit for valve control
10%
Low system voltage or corroded ground connections affecting valve operation
5%
Water intrusion or contamination in hydraulic unit causing valve sticking or electrical short
Diagnostic Steps
1
Step 1: Perform visual inspection of ABS hydraulic unit and all related wiring harnesses for visible damage, corrosion, water intrusion, or loose connections. Check all connector pins for corrosion, bent terminals, or moisture.
2
Step 2: Using a digital multimeter, measure battery voltage at the EBCM power supply circuit (should be 12-14V with engine running). Verify ground circuits have less than 0.1V drop to battery negative terminal.
3
Step 3: Disconnect EBCM connector and measure resistance of each control valve solenoid circuit at the hydraulic unit connector (typical specification 2-6 ohms per valve). Compare readings to manufacturer specifications.
4
Step 4: Check for shorts to ground or voltage by measuring resistance between each valve control circuit and chassis ground with harness disconnected (should read open circuit/infinite resistance).
5
Step 5: If all wiring tests pass, monitor valve command signals with oscilloscope or bidirectional scan tool commands to actuate each valve individually while monitoring amperage draw (typical 0.5-2.0A per valve).
6
Step 6: Clear codes and perform test drive with multiple ABS activation events. Re-scan for code return and monitor live data for specific valve circuit that fails during operation to isolate faulty component.
Estimated Repair Cost
$300 - $1,800
Parts + labor, varies by vehicle and location
This code indicates the Electronic Brake Control Module (EBCM) has detected an abnormal electrical condition in one or more ABS/traction control hydraulic control valve circuits. The EBCM monitors the solenoid valve circuits for opens, shorts to ground, shorts to voltage, or excessive resistance tha...
The most common cause of C0241 (EBCM Control Valve Circuit) is: Faulty ABS hydraulic control unit with internal valve solenoid failure or coil degradation
Typical repair costs for C0241 range from $300 to $1,800, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Vehicle is unsafe to drive as ABS, traction control, and stability control systems are disabled or malfunctioning, significantly increasing stopping distances and loss of control risk in emergency situations or slippery conditions. Immediate repair is required before operating the vehicle.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to C0241 to identify the root cause.
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Quick Info
Category
Chassis
System
Anti-lock Brake System (ABS) / Electronic Stability Control
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
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