| U1280 |
Communication bus line error (BUS-OFF) |
| U1281 |
Climate Control Unit Lost Communication with MICU (HVAC control unit) |
| U128D |
Climate Control Unit Lost communication with gauge control module (HVAC control unit) |
| B1220 |
A short in the recirculation control motor circuit |
| B1221 |
An open in the rear mode control motor circuit |
| B1222 |
A short in the rear mode control motor circuit |
| B1223 |
A problem in the rear blower motor circuit |
| B1231 |
An open in the evaporator temperature sensor circuit (front) |
| B1232 |
A short in the evaporator temperature sensor circuit (front) |
| B1233 |
An open in the air mix control motor circuit (front) |
| B1234 |
A short in the air mix control motor circuit (front) |
| B1235 |
A problem in the air mix control motor circuit, linkage, door, or motor (front) |
| B1241 |
A problem in the blower motor circuit (front) |
| B1244 |
An open in the rear air mix control motor circuit |
| B1245 |
A short in the rear air mix control motor circuit |
| B1246 |
A problem in the rear air mix control motor circuit, linkage, door, or motor |
| B1248 |
A problem in the rear mode control motor circuit, linkage, door, or motor |
| B2964 |
Climate control unit lost communication with Front PANEL |
| B2969 |
An open in the mode control motor A circuit (front) |
| B2970 |
A short in the mode control motor A circuit (front) |
| B2971 |
A problem in the mode control motor A circuit, linkage, door, or motor (front) |
| B2972 |
An open in the mode control motor B circuit (front) |
| B2973 |
A short in the mode control motor B circuit (front) |
| B2974 |
A problem in the mode control motor B circuit, linkage, door, or motor (front) |
| B2979 |
An open in the A/C pressure sensor circuit |
| B2980 |
A short in the A/C pressure sensor circuit |