Power Solutions International

3011

UnclassifiedElectrical

What This Code Means

MIL ON; Adaptive disabled; TPS1 fault condition; TPS1 voltage < 0.200 VDC

Possible Causes

  • •Break in communication has occurred between the UEGO controller and the main micro-controller (both devices inside the ECM)
  • •UEGO controller is no longer responsive
  • •Intermittent problem

Suggested Actions

  1. 1Perform the On-Board (OBD) System Check
  2. 2Enable 'DBW Test' mode and check TPS1 voltage
  3. 3Slowly sweep throttle position while observing TPS1 voltage
  4. 4Disconnect throttle from harness and jumper 5Vref1 to TPS1 signal circuit at throttle connector

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