What Does C1444 Mean?
This code indicates the steering angle sensor Phase B signal circuit is shorted to ground. The Phase B signal line is being held at ground potential, preventing the ABS/ESC module from reading the second quadrature channel. This fault pattern is often caused by wiring damage in the same harness bundle as Phase A, though it may affect only the Phase B conductor if the damage is localized to a specific pin or wire segment.
Safety Warning
With Phase B shorted to ground, the stability control module loses directional steering data and will disable ESC. This significantly reduces the vehicle's ability to maintain stability during evasive maneuvers or on low-traction surfaces.
Common Causes
40%
Pinched or abraded Phase B wire in the steering column harness routing, especially near tilt/telescope pivot points
25%
Corroded connector terminals at the steering angle sensor with conductive corrosion bridging Phase B to ground
20%
Steering angle sensor internal circuit board failure with a Phase B trace shorting to the ground plane
15%
Aftermarket accessory installation (e.g., steering wheel controls, horn pad) that has damaged or improperly routed the sensor wiring
Diagnostic Steps
1
Step 1: Disconnect the steering angle sensor and measure insulation resistance from the Phase B signal pin to ground at the sensor connector. Reading should be OL (open/infinite). Any measurable resistance indicates a short to ground.
2
Step 2: If a short is confirmed at the sensor connector, also check at the ABS module end. Disconnect the ABS module connector and measure Phase B pin to ground. This isolates whether the short is in the sensor, the wiring, or the module.
3
Step 3: Carefully inspect the wiring harness along the steering column for damage. On tilt-column vehicles, flex the harness through the full range of tilt positions while monitoring resistance to identify an intermittent short that only occurs at certain column angles.
4
Step 4: Check for recent steering column service (airbag replacement, clock spring, ignition lock) that may have resulted in improperly routed or pinched wiring.
5
Step 5: Repair any damaged wiring using sealed solder splices with heat-shrink tubing. Re-route harness away from sharp edges and secure with proper OEM-style retaining clips. Recalibrate the steering angle sensor after repair.
Estimated Repair Cost
$100 - $700
Parts + labor, varies by vehicle and location
This code indicates the steering angle sensor Phase B signal circuit is shorted to ground. The Phase B signal line is being held at ground potential, preventing the ABS/ESC module from reading the second quadrature channel. This fault pattern is often caused by wiring damage in the same harness bund...
The most common cause of C1444 (Steering Phase B Circuit Short To Ground) is: Pinched or abraded Phase B wire in the steering column harness routing, especially near tilt/telescope pivot points
Typical repair costs for C1444 range from $100 to $700, depending on the vehicle, location, and whether you do it yourself or go to a shop.
With Phase B shorted to ground, the stability control module loses directional steering data and will disable ESC. This significantly reduces the vehicle's ability to maintain stability during evasive maneuvers or on low-traction surfaces.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to C1444 to identify the root cause.
OBDHut Mobile App
Scan codes directly from your car with the OBDHut app.
Coming Soon
Quick Info
Category
Chassis
System
Electronic Stability Control / Steering
Difficulty
Type
Manufacturer
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
