Power Solutions International, Inc.

DTC 237

UnclassifiedElectrical

What This Code Means

DST displays TIP voltage less than the limit defined in calibration with the engine running

Possible Causes

  • •Intermittent Problem
  • •Faulty harness (5Vref1 and 5Vrtn1 connections)
  • •Faulty ECM (5Vref power supply)
  • •Poor connection at sensor
  • •Faulty TIP sensor

Suggested Actions

  1. 1Perform the On-Board (OBD) System Check
  2. 2Troubleshoot DTC 642 or 643 first
  3. 3Measure the voltage potential across 5Vref1 and 5Vrtn1 at connector using a DMM
  4. 4Jumper the TIP circuit to Vref (5 VDC) in connector on harness
  5. 5Check 5Vref1 and 5Vrtn1 connections

Related Power Solutions International, Inc. Fault Codes

DTC 562DTC 642DTC 10769871603160 2154123122112DTC 238DTC 299
Browse all Power Solutions International, Inc. fault codes

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