Here's the code: ECM 9400 Accelerator Pedal Digital Signal. Read off a 1999 Vida diagnostic tool.
Many thanks for the two replies!
kbkashan

Hello - I have a 2005 V50, manual 5 speed, 118,000 miles, and I love it, but it has an intermittent problem that replacing the gas pedal sensor has not fixed - it goes into low power mode, and turning the car off & then back on clears the problem.

360 days ago the sensor was replaced, codes ...