Power Solutions International

DTC 22 2

UnclassifiedFuel

What This Code Means

TPS2 voltage low (< 1.00 VDC) at 0% TPS; DST displays TPS2 voltage <0.2 VDC with throttle closed; DST displays TPS2 voltage <0.2 VDC with throttle open; TPS2 voltage falls below 0.2 volts

Possible Causes

  • •Intermittent Problem
  • •Poor Throttle Connection
  • •Faulty Throttle

Suggested Actions

  1. 1Perform the On-Board (OBD) System Check
  2. 2Key ON, Engine OFF, System Mode = 'Stopped', Enable 'DBW Test' mode to check if TPS2 voltage is low (< 1.00 VDC) at 0% TPS
  3. 3Slowly depress FP while observing TPS2 voltage (or sweep throttle on stationary applications by typing desired throttle opening % in the TPS Command box on the DBW page)
  4. 4Key OFF, Disconnect throttle from harness
  5. 5Slowly release FPP sensor while observing TPS2 voltage
  6. 6Jumper 5Vref1 to TPS2 signal circuit at throttle connector, Key On, Engine Off, System Mode = 'Stopped', and check if DST displays TPS2 voltage >4.0 VDC

Related Power Solutions International Fault Codes

DTC 219DTC 2222112DTC 2232111DTC 7261164DTC 11511162DTC 11621161DTC 2111
Browse all Power Solutions International fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for DTC 22 2 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.

TRY IT FREE