Power Solutions International

237

UnclassifiedElectrical

What This Code Means

TIP/TOP Low Voltage; TIP voltage less than the limit defined in calibration with the engine running

Possible Causes

  • •Faulty harness
  • •Intermittent Problem
  • •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 (if present)
  3. 3Using a DMM, measure the voltage potential across 5Vref1 and 5Vrtn1 at connector
  4. 4Check 5Vref1 and 5Vrtn1 connections
  5. 5Jumper the TIP circuit to Vref (5 VDC) in connector on harness

Related Power Solutions International Fault Codes

642643187212215430111188910117DTC 107113DTC 113
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