Power Solutions International

3012

UnclassifiedGeneral

What This Code Means

Malfunction Indicator Light (MIL) ON; Adaptive learn disabled; Closed loop may be disabled

Possible Causes

  • •UEGO heater supply voltage > 32 volts
  • •UEGO heater control signal does not achieve zero volts when the heater is switched on
  • •Short to Vbattery in the heater control signal circuit
  • •Internal fault within the ECM

Related Power Solutions International Fault Codes

301430312229303221353468:1167469871673890116508902
Browse all Power Solutions International fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 3012 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.

GET THE ANSWER

Free account required — we'll bring your question with you.