P0037/P0043/P0057/P0063 Heater Control Circuit Low

  • Ensure the oxygen sensor’s heater circuit element is within the OEM’s specifications.
  • If using the heater circuit simulator included with the iO2SS, ensure it is connected to the correct wires.
  • Inspect the wiring harness for open circuits.
  • Ensure the oxygen sensor heater circuit’s fuse isn’t blown.
  • If this problem persists, your car may require a lower resistance heater circuit simulator. In this case, contact support@symtechlabs.com for further support.

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io2ss/p0037.txt · Last modified: 2012/11/30 07:12 (external edit)
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