Diagnostic Trouble Code Table
| Type | DTC | Malfunction/faulty component | See DIAGNOSTIC PROCEDURE |
|---|---|---|---|
| B | 1100 | Low Speed Radiator Fan Relay. Short to B+ | Cooling system |
| B | 1100 | Low Speed Radiator Fan Relay. Open Circuit/ Short to Ground | Cooling system |
| B | 1110 | Windscreen Wiper Relay. Short to B+ | Wash/wipe systems |
| B | 1110 | Windscreen Wiper Relay. Open Circuit/ Short to Ground | Wash/wipe systems |
| B | 1115 | Rear Window Wiper Relay. Short to B+ | Wash/wipe systems |
| B | 1115 | Rear Window Wiper Relay. Open Circuit / Short to Ground | Wash/wipe systems |
| B | 1125 | Rear Window Heating Relay. Short to B+ | Glass, windows and mirrors |
| B | 1125 | Rear Window Heating Relay. Open Circuit / Short to Ground | Glass, windows and mirrors |
| B | 1145 | Rear Fog Light. Open Circuit / Short to B+ | Lighting and signalling systems |
| B | 1145 | Rear Fog Light. Short to Ground | Lighting and signaling systems |
| B | 1150 | Front Fog Lights Relay. Short to B+ | Lighting and signalling systems |
| B | 1150 | Front Fog Lights Relay. Open Circuit/ Short to Ground | Lighting and signalling systems |
| B | 1160 | Mainlight Relay. Short to B+ | Lighting and signalling systems |
| B | 1160 | Mainlight Relay. Open Circuit/ Short to Ground | Lighting and signalling systems |
| B | 1215 | Interior Light. Short to Ground | Lighting and signalling systems |
| B | 1220 | Map Light. Short to Ground | Lighting and signalling systems |
| B | 1235 | Trunk Light. Short to Ground | Lighting and signalling systems |
| B | 1240 | Door Light. Short to Ground | Lighting and signalling systems |
| B | 1525 | +15 missing when +54 is on | |
| B | 1530 | +B missing when +15 is on | |
| B | 1605 | Internal Fault | |
| B | 1735 | Rheostat Light. Short to Ground | Lighting and signalling systems |
| B | 2190 | High Speed Radiator Fan Relay 1. Short to B+ | Cooling system |
| B | 2190 | High Speed Radiator Fan Relay 1. Open Circuit/ Short to Ground | Cooling system |
| B | 2195 | High Speed Radiator Fan Relay 2. Short to B+ | Cooling system |
| B | 2195 | High Speed Radiator Fan Relay 2. Open Circuit/ Short to Ground | Cooling to Ground system |
| B | 2280 | High/Low Beam Relay. Short to B+ | Lighting and signalling systems |
| B | 2280 | High/Low Beam Relay. Open Circuit / Short to Ground | Lighting and signalling systems |
| B | 2355 | Evaporator Temperature Sensor. Short to Ground | Heating and ventilation, A/C |
| B | 2355 | Evaporator Temperature Sensor. Open Circuit / Short to B+ | Heating and ventilation, A/C |
| B | 2355 | Evaporator Temperature Sensor. Out of Range. | Heating and ventilation, A/C |
| B | 2360 | A/C Pressure Sensor. Short to Ground | Heating and ventilation, A/C |
| B | 2360 | A/C Pressure Sensor. Open Circuit / Short to B+ | Heating and ventilation, A/C |
| B | 2480 | Intermittent Wiper Switch. Out of Range. | Wash/wipe systems |
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description |
|---|---|
| DTC B1525 | + 15 missing when +54 is on |
| DTC B1530 | +B missing when +15 is on |
| DTC B1605 | Internal Fault |
DIAGNOSTIC TROUBLE CODES (DTC) LIST
Fault symptoms
If a fuse is missing, then SID and MIU are "black" and Trionic is shown as being a fused unit. Communication for diagnostics is still possible, however, even though a fuse is missing.
Diagnostic help
+ 15 can be read with scan tool.
Interior lighting does not come on when the key is removed from the ignition and no doors are opened.
+B can be read with the scan tool.
Varies depending on fault characteristics.
Table, Fault Symptoms
| Fault symptoms | See DIAGNOSTIC PROCEDURE |
|---|---|
| NO DIAGNOSTICS COMMUNICATION | |
| VENTILATION FAN DOES NOT START UNTIL 20 SECONDS AFTER THE ENGINE HAS BEEN STARTED | |
| DIRECTION INDICATOR FUNCTION | |
| HEADLAMPS | |
| FRONT FOG LIGHTS | |
| REAR FOG LIGHTS | |
| BRAKE LIGHTS | |
| LUGGAGE COMPARTMENT LIGHTING | |
| READING LAMPS | |
| COURTESY LIGHTS | |
| REVERSING LIGHTS, MAN. | |
| REVERSING LIGHTS, AUTO. | |
| GLOVE BOX LIGHT | |
| BUTTON ILLUMINATION | |
| PARKING LIGHTS | |
| PARKING LIGHTS (US/CA) | |
| WIPER OR WASHER, WITH RAIN SENSOR. DEFECTIVE | |
| WIPER OR WASHER, WITHOUT RAIN SENSOR. DEFECTIVE | |
| REAR WINDOW WIPER. DEFECTIVE (5D) |
FAULT SYMPTOMS CHART
Scheme 30
No diagnostics communication.
Diagnostic procedure
See BUS AND DIAGNOSTICS COMMUNICATION
DIAGNOSTICS COMMUNICATION
Scheme 31
Ventilation fan does not start until 20 seconds after the engine has been started.