Trouble Codes
ECM TROUBLE CODES
| Code | Circuit Affected |
|---|---|
| EO13 | Open O2 Sensor Circuit |
| EO14 | Coolant Sensor Temp. Too High |
| EO15 | Coolant Sensor Temp. Too Low |
| EO16 | System Voltage Out Of Range |
| EO21 | TPS Signal Voltage High |
| EO22 | TPS Signal Voltage Low |
| EO24 | Vehicle Speed Sensor (VSS) Circuit |
| EO29 | 4th Gear Switch Circuit Open |
| EO32 | EGR System Fault |
| EO33 | Mass Airflow Sensor Voltage High |
| EO34 | Mass Airflow Sensor Voltage Low |
| EO37 | Manifold Air Temp. Sensor Too High |
| EO38 | Manifold Air Temp. Sensor Too Low |
| EO40 | Pwr. Steer. Pressure Sw. Circuit Open |
| EO41 | C(3)I Ignition Cam Sensor |
| EO42 | C(3)I Ignition System |
| EO43 | Electronic Spark Control (ESC) System |
| EO44 | Lean Exhaust Indication |
| EO45 | Rich Exhaust Indication |
| EO47 | ECM-BCM Data |
| EO51 | ECM PROM Error |
| EO52 | CALPAK Error |
| EO55 | ECM Error |
BCM TROUBLE
| Code | Circuit Affected |
|---|---|
| B110 | Outside Temp. Sensor |
| B111 | A/C Hi Side Temp. Sensor |
| B112 | A/C Lo Side Temp. Sensor |
| B113 | In-Car Temp. Sensor |
| B114 | Sun Load Temp. Sensor |
| B119 | Twilight Photocell |
| B120 | Twilight Delay Pot |
| B121 | Twilight Enable Switch |
| B122 | Panel Lamp Dimming Pot |
| B123 | Courtesy Light Switch |
| B124 | VSS |
| B127 | Gear Selector Switch (Toronado Only) |
| B131 | Oil Pressure Switch/Sensor |
| B132 | Oil Pressure Sensor |
| B334 | ECM Data |
| B335 | CRTC Data |
| B336 | IPC Data |
| B337 | Programmer Data |
| B339 | Radio Data |
| B409 | Generator |
| B410 | Regulator |
| B411 | Battery Low |
| B412 | Battery High |
| B418 | Crank |
| B420 | Relays |
| B440 | Air Mix Door |
| B445 | A/C Clutch |
| B446 | Low Refrigerant Warning |
| B447 | Very Low Refrigerant Problem |
| B448 | Low Refrigerant Pressure |
| B449 | A/C High Temp. |
| B450 | Coolant High Temp.-A/C |
| B552 | BCM Memory Reset |
| B553 | CRTC Memory Reset |
| B556 | EE Prom |
| B710 | CRT Switching |