DTC C1257: G Sensor Faulty (For 4WD Vehicle): DTC Detecting Condition
WARNING: This page is about a different car, the 2003 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC C1257 can only be set when the vehicle is in 4 Wheel Drive and one of the following occur.
- Voltage signal from G sensor is greater than 4.5 V or less than 0.5 V for 3/4 of a second.
- Any wheel speed is at zero and the G sensor signal voltage is between 0.5 and 1.04 V for 3/4 of a second.