DTC Troubleshooting Index
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. However, it is still accessible from the selected car via links, so may be relevant.
Checking the DTCs by HDS
DTC TROUBLESHOOTING CHART
| DTC | Detection Item or Symptom | ECU | DTC type | reference |
|---|---|---|---|---|
| B1200 | Communication bus line error | HVAC control unit | Loss of communication | (see DTC B1050: COMMUNICATION BUS LINE ERROR; DTC B1100: COMMUNICATION BUS LINE ERROR; DTC B1150: COMMUNICATION BUS LINE ERROR; DTC B1200: COMMUNICATION BUS LINE ERROR; DTC B1250: COMMUNICATION BUS LINE ERROR; DTC B1750: COMMUNICATION BUS LINE ERROR ) |
| B1202 | HVAC control unit internal error | HVAC control unit | Internal error | (see DTC TROUBLESHOOTING ) |
| B1205 | HVAC control unit lost communication with gauge control module (VSP/NE message) | HVAC control unit | Loss of communication | (see DTC TROUBLESHOOTING ) |
| B1206 | HVAC control unit lost communication with gauge control module (ECT message) | HVAC control unit | Loss of communication | (see DTC TROUBLESHOOTING ) |
| B1207 | HVAC control unit lost communication with gauge control module (ILLUME message) | HVAC control unit | Loss of communication | (see DTC TROUBLESHOOTING ) |
| B1227 | An open in the outside air temperature sensor circuit | HVAC control unit | Signal error | (see DTC B1227 OR DTC INDICATOR 9: AN OPEN IN THE OUTSIDE AIR TEMPERATURE SENSOR CIRCUIT ) |
| B1228 | A short in the outside air temperature sensor circuit | HVAC control unit | Signal error | (see DTC B1228 OR DTC INDICATOR 10: A SHORT IN THE OUTSIDE AIR TEMPERATURE SENSOR CIRCUIT ) |
| B1231 | An open in the evaporator temperature sensor circuit | HVAC control unit | Signal error | (see DTC B1231 OR DTC INDICATOR 7: AN OPEN IN THE EVAPORATOR TEMPERATURE SENSOR CIRCUIT ) |
| B1232 | A short in the evaporator temperature sensor circuit | HVAC control unit | Signal error | (see DTC B1232 OR DTC INDICATOR 8: A SHORT IN THE EVAPORATOR TEMPERATURE SENSOR CIRCUIT ) |
| B1233 | An open in the air mix control motor circuit | HVAC control unit | Signal error | (see DTC B1233 OR DTC INDICATOR 1: AN OPEN IN THE AIR MIX CONTROL MOTOR CIRCUIT ) |
| B1234 | A short in the air mix control motor circuit | HVAC control unit | Signal error | (see DTC B1234 OR DTC INDICATOR 2: A SHORT IN THE AIR MIX CONTROL MOTOR CIRCUIT ) |
| B1235 | A problem in the air mix control linkage, door, or motor | HVAC control unit | Signal error | (see DTC B1235 OR DTC INDICATOR 3: A PROBLEM IN THE AIR MIX CONTROL LINKAGE, DOOR, OR MOTOR ) |
| B1239 | An open or short in the mode control motor circuit | HVAC control unit | Signal error | (see DTC B1239 OR DTC INDICATOR 4: AN OPEN OR SHORT IN THE MODE CONTROL MOTOR CIRCUIT ) |
| B1240 | A problem in the mode control linkage, doors, or motor | HVAC control unit | Signal error | (see DTC B1240 OR DTC INDICATOR 5: A PROBLEM IN THE MODE CONTROL LINKAGE, DOORS, OR MOTOR ) |
| B1241 | A problem in the blower motor circuit | HVAC control unit | Signal error | (see DTC B1241 OR DTC INDICATOR 6: A PROBLEM IN THE BLOWER MOTOR CIRCUIT ) |