Conditions for Setting the DTC

WARNING: This page is about a different car, the 2005 Suzuki Reno and 2005 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.

Gear position is D.
The engine speed is greater than 7,000 RPM.
System voltage is greater than 8.5 volts.
Engine is running.
No engine speed error DTCs P0727, P0725. CAN transmitting wiring harness shorted or open.
TCM or ECM is defective.
Immediately after the above condition occurs.