P1806 Diagnostic Trouble Code Explanation
P1805 - P1809: Testing and Inspection
P1806
For diagnosis of code P1806 refer to chart
DTC Index B1323 - P1810
If there is no link in the chart then:
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This code is not a valid code for this vehicle
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Or information published by the manufacturer for this vehicle did not include this code
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For complete Instrument Panel diagnostic information, See: Instrument Panel, Gauges and Warning Indicators/Testing and Inspection