Engines included:
- 1.6 8V Petrol (ALZ)
- 1.8 20V Turbo Petrol (AMB)
- 1.8 20V Turbo Petrol (AVJ)
- 1.8 20V Turbo Petrol (BEX)
- 1.8 20V Turbo, -Cabriolet Petrol (BFB)
- 1.9 TDI Diesel (AVB)
- 1.9 TDI Diesel (AVF)
- 1.9 TDI Diesel (AWX)
- 1.9 TDI Diesel (BKE)
- 2.0 20V, -Cabriolet Petrol (ALT)
- 2.0 FSi Petrol (AWA)
- 2.4 V6 30V, -Cabriolet Petrol (AMM)
- 2.4 V6 30V, -Cabriolet Petrol (BDV)
- 2.5 TDI V6 Diesel (AKE)
- 2.5 TDI V6 Diesel (AYM)
- 2.5 TDI V6 Diesel (BAU)
- 2.5 TDI V6 Diesel (BDH)
- 2.5 TDI V6, -Cabriolet Diesel (BCZ)
- 2.5 TDI V6, -Cabriolet Diesel (BDG)
- 2.5 TDI V6, -Cabriolet Diesel (BFC)
- 3.0 V6 30V Petrol (AVK)
- 3.0 V6 30V Petrol (BGN)
- 3.0 V6 30V, -Cabriolet Petrol (ASN)
- 3.0 V6 30V, -Cabriolet Petrol (BBJ)
- S4 (4.2 V8), -Cabriolet Petrol (BBK)
Diagnostic Instructions
Connect an OBD scanner to your Audi A4 2001-2005 to retrieve diagnostic fault codes.
Applies to: 1.6 8V Petrol (ALZ), 1.8 20V Turbo Petrol (AMB), 1.8 20V Turbo Petrol (AVJ), 1.8 20V Turbo Petrol (BEX), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (AVB), 1.9 TDI Diesel (AVF), 1.9 TDI Diesel (AWX), 1.9 TDI Diesel (BKE), 2.0 20V, -Cabriolet Petrol (ALT), 2.0 FSi Petrol (AWA), 2.4 V6 30V, -Cabriolet Petrol (AMM), 2.4 V6 30V, -Cabriolet Petrol (BDV), 2.5 TDI V6 Diesel (AKE), 2.5 TDI V6 Diesel (AYM), 2.5 TDI V6 Diesel (BAU), 2.5 TDI V6 Diesel (BDH), 2.5 TDI V6, -Cabriolet Diesel (BCZ), 2.5 TDI V6, -Cabriolet Diesel (BDG), 2.5 TDI V6, -Cabriolet Diesel (BFC), 3.0 V6 30V Petrol (AVK), 3.0 V6 30V, -Cabriolet Petrol (ASN), 3.0 V6 30V, -Cabriolet Petrol (BBJ), S4 (4.2 V8), -Cabriolet Petrol (BBK)
Steps:
- Connect OBD scanner to diagnostic port
- Turn ignition to ON position (engine off)
- Follow scanner instructions to read codes
- Record any codes displayed
- Consult service manual for code meanings
Fault Codes including 927 manufacturer-specific
Powertrain
Body
| Code | Description |
|---|---|
| B0000 | Code reserved for ISO/SAE |
| B002A | Available in product |
| B003A | Available in product |
| B003B | Available in product |
| B004A | Available in product |
| B004B | Available in product |
| B0070 | Driver's seat belt pretensioner 1 deployment control circuit |
| B0079 | Driver's seat belt pretensioner 2 deployment control circuit |
| B007A | Available in product |
| B007B | Available in product |
| B007C | Available in product |
| B007D | Available in product |
| B007E | Available in product |
| B007F | Available in product |
| B009A | Available in product |
| B009B | Available in product |
| B009C | Available in product |
| B009D | Available in product |
| B009E | Available in product |
| B009F | Available in product |
| B00A0 | Available in product |
| B00A1 | Available in product |
| B00B0 | Available in product |
| B00B1 | Available in product |
| B00B2 | Available in product |
| B00B3 | Available in product |
| B00B4 | Available in product |
| B00B5 | Available in product |
| B00B6 | Available in product |
| B00B7 | Available in product |
| B00B8 | Available in product |
| B00B9 | Available in product |
| B00BA | Available in product |
| B00BB | Available in product |
| B00C0 | Available in product |
| B00C1 | Available in product |
| B00C2 | Available in product |
| B00C3 | Available in product |
| B00C4 | Available in product |
| B00C5 | Available in product |
| B00C6 | Available in product |
| B00C7 | Available in product |
| B00C8 | Available in product |
| B00C9 | Available in product |
| B00CA | Available in product |
| B00CB | Available in product |
| B00D0 | Available in product |
| B00D1 | Available in product |
| B00D2 | Available in product |
| B00D3 | Available in product |
| B00D4 | Available in product |
| B00D5 | Available in product |
| B00DF | Available in product |
| B00E0 | Available in product |
| B00E1 | Available in product |
| B00E2 | Available in product |
| B00E3 | Available in product |
| B00E4 | Available in product |
| B00E5 | Available in product |
| B00E6 | Available in product |
| B00E7 | Available in product |
| B00E8 | Available in product |
| B00F0 | Available in product |
| B00F1 | Available in product |
| B00F2 | Available in product |
| B00F3 | Available in product |
| B00F4 | Available in product |
| B00F5 | Available in product |
| B00F6 | Available in product |
| B00F7 | Available in product |
| B0100 | (Sensor cleaning) Air blower actuator 1 |
| B0101 | (Sensor cleaning) Air blower actuator 2 |
| B0102 | (Sensor cleaning) Air blower actuator 1 control |
| B0103 | (Sensor cleaning) Air blower actuator 2 control |
| B0104 | (Sensor cleaning) Air blower actuator 1 control relay |
| B0105 | (Sensor cleaning) Air blower actuator 2 control relay |
| B0109 | Rear left side airbag deployment control circuit |
| B0110 | Camera washer actuator 7 |
| B0111 | Camera washer actuator 8 |
| B0112 | Camera washer actuator 10 |
| B0113 | Camera washer actuator 11 |
| B0114 | Camera washer actuator 12 |
| B0118 | Camera washer actuator 16 |
| B0119 | Camera washer actuator 17 |
| B0120 | Fluid reservoir level sensor 5 |
| B0121 | Fluid reservoir level sensor 6 |
| B0122 | Pedestrian alert speaker 1 |
| B0126 | Driver monitoring camera |
| B0130 | Audio/video sensor washer fluid 2 control circuit/open |
| B0131 | Audio/video sensor washer fluid 3 control circuit/open |
| B0132 | Audio/video sensor washer fluid 4 control circuit/open |
| B0145 | Active aerodynamic feature 2 actuator phase U circuit/open |
| B0158 | Active aerodynamic feature 3 actuator phase V and phase W circuits shorted |
| B0159 | Active aerodynamic feature 3 actuator phase W circuit/open |
| B0160 | Active aerodynamic feature 4 actuator phase U and phase V circuits shorted |
| B0162 | Active aerodynamic feature 4 actuator phase V circuit low |
| B0163 | Active aerodynamic feature 4 actuator phase V circuit high |
| B0164 | Active aerodynamic feature 4 actuator phase V and phase W circuits shorted |
| B0165 | Active aerodynamic feature 4 actuator phase W circuit/open |
| B0166 | Active aerodynamic feature 4 actuator phase W circuit low |
| B0169 | Active aerodynamic feature 3 actuator brake control circuit range/performance |
| B0173 | (Sensor cleaning) Air blower actuator 3 control |
| B0174 | (Sensor cleaning) Air blower actuator 3 relay control |
| B0175 | (Sensor cleaning) Air blower actuator 3 feedback |
| B0176 | (Sensor cleaning) Air blower actuator 4 control |
| B0179 | (Sensor cleaning) Air blower actuator 5 control |
| B0180 | (Sensor cleaning) Air blower actuator 7 relay control |
| B0181 | (Sensor cleaning) Air blower actuator 7 feedback |
| B0183 | (Sensor cleaning) Air blower actuator 8 relay control |
| B0184 | (Sensor cleaning) Air blower actuator 8 feedback |
| B0185 | (Sensor cleaning) Air blower actuator 9 control |
| B0186 | (Sensor cleaning) Air blower actuator 9 relay control |
| B0188 | (Sensor cleaning) Air blower actuator 10 control |
| B0189 | (Sensor cleaning) Air blower actuator 10 relay control |
| B0190 | (Sensor cleaning) Air blower actuator 12 feedback |
| B0191 | (Sensor cleaning) Air blower actuator 13 control |
| B0193 | (Sensor cleaning) Air blower actuator 13 feedback |
| B0194 | (Sensor cleaning) Air blower actuator 14 control |
| B0195 | (Sensor cleaning) Air blower actuator 14 relay control |
| B0196 | (Sensor cleaning) Air blower actuator 14 feedback |
| B0197 | (Sensor cleaning) Air blower actuator 15 control |
| B0225 | Lidar sensor module 12 |
| B0226 | Lidar sensor module 13 |
| B0227 | Lidar sensor module 14 |
| B0228 | Lidar sensor module 15 |
| B0229 | Lidar sensor module 16 |
| B0234 | Radar module 15 |
| B0235 | Radar module 16 |
| B0236 | Radar module 17 |
| B0237 | Radar module 18 |
| B0240 | Entry/exit projector lamp 2 control |
| B0241 | Entry/exit projector lamp 3 control |
| B0248 | Refrigerant expansion valve actuator 5 |
| B0249 | Refrigerant expansion valve actuator 6 |
| B0575 | Code reserved for ISO/SAE |
| B100D | Available in product |
| B3060 | Available in product |
| B3061 | Available in product |
| B3130 | Available in product |
| B3135 | Available in product |
| B3410 | Available in product |
| B3420 | Available in product |
| B3600 | Available in product |
| B3866 | Available in product |
| B3884 | Available in product |
| B3902 | Available in product |
| B3925 | Available in product |
| B3929 | Available in product |
Chassis
| Code | Description |
|---|---|
| C001A | Available in product |
| C001C | Available in product |
| C001D | Available in product |
| C001E | Available in product |
| C003B | Available in product |
| C003C | Available in product |
| C003D | Available in product |
| C003E | Available in product |
| C003F | Available in product |
| C004A | Available in product |
| C006A | Available in product |
| C006B | Available in product |
| C006C | Available in product |
| C008A | Available in product |
| C0530 | Motor control 1 range/performance |
| C0545 | Brake system control unit (BSCM), VIN not programmed or incompatible |
| C0561 | Vacuum sensor 1 correlation with vacuum sensor 2 |
| C0569 | Brake booster solenoid circuit performance |
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