C0715
Power Steering Pressure Sensor Range/Performance
The power steering module has detected that the hydraulic pressure sensor signal is out of range — relevant for hydraulic and electro-hydraulic systems. Assist regulation may run in fallback mode.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
Ordered by how often each turns out to be the cause.
- Pressure sensor failedCommon
- Low power steering fluid levelPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Power Steering Pump
- Pressure Sensor
- Power Steering Module
C0715 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.