DTC code

B1229: B1229 Diagnostic Guide

Vehicle-specific published guides for this diagnostic trouble code.

B1229 Diagnostic Guide

B1229 may mean the climate control unit is seeing an open in the sunlight sensor circuit.

Article vehicle: 2010-2017 Honda Accord 2.4 Gas

This code may mean the climate control unit is not receiving the expected sunlight sensor circuit input.

Article vehicle: 2010-2015 Honda Civic 1.8 Gas

This code may mean the climate control unit is not seeing the sunlight sensor circuit signal it expects.

Article vehicle: 2010-2016 Honda Cr V 2.4 Gas