Power Steering Pressure Sensor Circuit Range/Performance Problem
The power steering pressure sensor is reporting unusual values.
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What it means (plain English)
Your power steering system has a sensor that measures how much pressure is in the system. If the pressure is too high or too low, the sensor sends a faulty signal to the computer, triggering this code.
What the computer is actually seeing
The computer expects a voltage signal from the power steering pressure sensor between approximately 0.5V (low pressure) to 4.5V (high pressure). If the voltage is outside this range, it sets code C1382.
What a healthy reading looks like
Expected pressure sensor voltage ranges from 0.5V to 4.5V under normal operating conditions. At idle, pressure should be around 1.2V, and during max turning conditions, closer to 4V.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 1Check power steering fluid level. If low, refill and recheck code. Decision: If code returns, proceed to next step.
- 2Inspect wiring and connectors on the power steering pressure sensor for damage or corrosion. Repair as necessary. Decision: If wiring is good, proceed to next step.
- 3Use a multimeter to measure the voltage output from the power steering pressure sensor with the engine running. Should be between 0.5V and 4.5V. Decision: If voltage is out of range, sensor likely faulty.
- 4Check the power steering pump for proper operation. Listen for noise or inspect for leaks. Decision: If pump is functioning well, replace the power steering pressure sensor.
Common causes
- Faulty power steering pressure sensor
- Electrical short or open circuit in the wiring
- Low power steering fluid levels
- Faulty power steering pump
- Poor ground connection
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code active?
It's generally safe to drive, but you might notice steering issues. Fix soon to avoid further problems.
Will the code come back after repair?
If the underlying issue is fixed, the code should clear and not return.
Why might this code pair with others?
Codes often group together if they relate to the same system or sensor failures.
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