2012 Honda Insight BaseFACTORY OEM SERVICE PROCEDURE

Climate Control DTCS

CLIMATE CONTROL DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
DTC B1205 Climate Control Unit Lost Communication with Gauge Control Module (VSP/NE message)
DTC B1206 Climate Control Unit Lost Communication with Gauge Control Module (coolant temp message)
DTC B1207 Climate Control Unit Lost Communication with Gauge Control Module (illumination message)
DTC B1225 An Open in the In-Car Temperature Sensor Circuit
DTC B1226 A Short in the In-Car Temperature Sensor Circuit
DTC B1227 An Open in the Outside Air Temperature Sensor Circuit
DTC B1228 A Short in the Outside Air Temperature Sensor Circuit
DTC B1229 An Open in the Sunlight Sensor Circuit
DTC B1230 A Short in the Sunlight Sensor Circuit
DTC B1231 An Open in the Evaporator Temperature Sensor Circuit
DTC B1232 A Short in the Evaporator Temperature Sensor Circuit
DTC B1233 An Open in the Air Mix Control Motor Circuit
DTC B1234 A Short in the Air Mix Control Motor Circuit
DTC B1235 A Problem in the Air Mix Control Motor Circuit, Linkage, Door, or Motor
DTC B1239 An Open or Short in the Mode Control Motor Circuit
DTC B1240 A Problem in the Mode Control Motor Circuit, Linkage, Door, or Motor
DTC B1241 A Problem in the Blower Motor Circuit
DTC B2967 An Open in the Humidity Sensor Circuit
DTC B2968 A Short in the Humidity Sensor Circuit
DTC B2969 Climate Control Unit Lost Communication with MICU (WIPSW message)
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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