Electronic Power Steering Torque Sensor Circuit Malfunction
The C0152 code means the vehicle's onboard diagnostic system has detected: Electronic Power Steering Torque Sensor Circuit Malfunction. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $300 - $1,200 (parts and labor)
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Common Symptoms
- Power steering warning light on
- Steering assist erratic or absent
- Steering feels heavy then light unpredictably
- EPS fault code stored
- Steering may self-steer slightly
Probable Causes (Ranked by Likelihood)
- Failed EPS torque sensor Very High
- Torque sensor connector corrosion High
- Steering column intermediate shaft issue Moderate
- EPS control module torque input fault Low
Step-by-Step Diagnostic Procedure
-
Scan EPS module for torque sensor DTCs
-
Read torque sensor data with steering at center and during turns
-
Check torque sensor connector at steering column
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Test torque sensor signal for proper zero point and range
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Inspect steering column for mechanical issues
Frequently Asked Questions
What does the torque sensor measure?
The torque sensor measures how much force the driver is applying to the steering wheel. The EPS system uses this data to determine how much power assist to provide.
Can a torque sensor cause the steering to feel wrong?
Yes. If the torque sensor sends incorrect data, the EPS system may provide too much or too little assist, making the steering feel unpredictably light, heavy, or jerky.
Is the torque sensor replaceable separately?
On some vehicles, the torque sensor is a separate component on the steering column. On others, it is integrated into the EPS unit and the entire assembly must be replaced.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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