Home/Audi/A4/Audi A4 B5 facelift (1999-2001)/Repair manual/Testing & Diagnostics/Engine Controls - Self-Diagnostics - 1.8L Turbo: Overview
Contents Wiring diagrams Section: Testing & Diagnostics All sections

Engine Controls - Self-Diagnostics - 1.8L Turbo: Overview Audi A4 B5 facelift

DIAGNOSTIC TROUBLE CODE IDENTIFICATION

Note. Vehicle manufacturer does not support diagnostic information using aftermarket scan tools. Limited diagnostic information is available.

Generic Scan Tool CodeVAG 1551 CodeMalfunction/Affected Sensor Or Circuit
P0102 (1)(1) 16486MAF Circuit Low Input
P0103 (1)(1) 16487MAF Circuit High Input
P0107 (1)(1) 16491MAP Or Barometric Pressure Low Input
P0108 (1)(1) 16491MAP Or Barometric Pressure High Input
P0112 (1)(1) 16496Intake Air Temp Circuit Low Input
P0113 (1)(1) 16497Intake Air Temp Circuit High Input
P0116 (1)(1) 16500ECT Circuit Range/Performance Problem
P0117 (1)(1) 16501ECT Circuit Low Input
P0118 (1)(1) 16502ECT Circuit High Input
P0121 (1)(1) 16505TP Sensor Circuit Range/Performance Problem
P0122 (1)(1) 16506TP Sensor Circuit Low Input
P0123 (1)(1) 16507TP Sensor Circuit High Input
P0130 (1)(1) 16514HO2S Circuit Malfunction (Bank 1, Sensor 1)
P0131 (1)(1) 16515HO2S Circuit Low Voltage (Bank 1, Sensor 1)
P0132 (1)(1) 16516HO2S Circuit High Voltage (Bank 1, Sensor 1)
P0133 (2)(2) 16517HO2S Circuit Slow Response (Bank 1, Sensor 1)
P0134 (1)(1) 16518HO2S Circuit No Activity Detected (Bank 1, Sensor 1)
P0136 (1)(1) 16520HO2S Circuit Malfunction (Bank 1, Sensor 2)
P0137 (1)(1) 16521HO2S Circuit Low Voltage (Bank 1, Sensor 2)
P0138 (1)(1) 16522HO2S Circuit High Voltage (Bank 1, Sensor 2)
P0140 (1)(1) 16524HO2S Circuit No Activity Detected (Bank 1, Sensor 2)
P0300 (2)(2) 16684Random/Multiple Cylinder Misfire Detected
P0301 (2)(2) 16685Cylinder No. 1 Misfire Detected
P0302 (2)(2) 16686Cylinder No. 2 Misfire Detected
P0303 (2)(2) 16687Cylinder No. 3 Misfire Detected
P0304 (2)(2) 16688Cylinder No. 4 Misfire Detected
P0321 (1)(1) 16705Ignition/Distributor Engine Speed Input Circuit Range/Performance
P0322 (3)(3) 16706Ignition/Distributor Engine Speed Input Circuit No Signal
P0327 (3)(3) 16711Knock Sensor No. 1 Circuit Low Input
P0332 (3)(3) 16716Knock Sensor No. 2 Circuit Low Input
P0422 (1)(1) 16806Main Catalyst Efficiency Below Threshold (Bank 1)
P0441 (1)(1) 16825EVAP System Incorrect Purge Flow
P0442 (1)(1) 16826EVAP System Small Leak Detected
P0455 (1)(1) 16839EVAP System Gross Leak Detected
P0501 (1)(1) 16885Vehicle Speed Sensor Range/Performance
P0506 (1)(1) 16890Idle Control System RPM Lower Than Expected
P0507 (1)(1) 16891Idle Control System RPM Higher Than Expected
P0560 (1)(1) 16944System Voltage Malfunction
P0562 (1)(1) 16946System Voltage Low
P0563 (1)(1) 16947System Voltage High
P0601 (1)(1) 16895PCM Memory Check Sum Error
P0604 (1)(1) 16988PCM Random Access Memory (RAM) Error
P0707 (4)(4) 17091Transmission Range Sensor Circuit Low Input
P0708 (4)(4) 17092Transmission Range Sensor Circuit High Input
P1102 (1)(1) 17510HO2S Heater Circuit Short to B+ (Bank 1, Sensor 1)
P1105 (1)(1) 17513HO2S Heater Circuit Short to B+ (Bank 1, Sensor 2)
P1127 (1)(1) 17535Long Term Fuel Trim (Multiplicative) Too Rich (Bank 1)
P1128 (1)(1) 17536Long Term Fuel Trim (Multiplicative) Too Lean (Bank 1)
P1136 (1)(1) 17544Long Term Fuel Trim (Additive) Too Lean (Bank 1)
P1137 (1)(1) 17545Long Term Fuel Trim (Additive) Too Rich (Bank 1)
P1176 (1)(1) 17584HO2S Correction Behind Catalyst Limit Attained (Bank 1)
P1196 (1)(1) 17604HO2S Heater Electrical Malfunction (Bank 1, Sensor 1)
P1198 (1)(1) 17606HO2S Heater Electrical Malfunction (Bank 1, Sensor 2)
P1213 (3)(3) 17621Cylinder No. 1 Fuel Injector Circuit Short To B+
P1214 (3)(3) 17622Cylinder No. 2 Fuel Injector Circuit Short To B+
P1215 (3)(3) 17623Cylinder No. 3 Fuel Injector Circuit Short To B+
P1216 (3)(3) 17624Cylinder No. 4 Fuel Injector Circuit Short To B+
P1225 (3)(3) 17633Cylinder No. 1 Fuel Injector Circuit Short To Ground
P1226 (3)(3) 17634Cylinder No. 2 Fuel Injector Circuit Short To Ground
P1227 (3)(3) 17635Cylinder No. 3 Fuel Injector Circuit Short To Ground
P1228 (3)(3) 17636Cylinder No. 4 Fuel Injector Circuit Short To Ground
P1237 (3)(3) 17645Cylinder No. 1 Fuel Injector Open Circuit
P1238 (3)(3) 17646Cylinder No. 2 Fuel Injector Open Circuit
P1239 (3)(3) 17647Cylinder No. 3 Fuel Injector Open Circuit
P1240 (3)(3) 17648Cylinder No. 4 Fuel Injector Open Circuit
P1250 (4)(4) 17658Fuel Level Too Low
P1325 (4)(4) 17733Cylinder No. 1 Knock Control Limit Attained
P1326 (4)(4) 17734Cylinder No. 2 Knock Control Limit Attained
P1327 (4)(4) 17735Cylinder No. 3 Knock Control Limit Attained
P1328 (4)(4) 17736Cylinder No. 4 Knock Control Limit Attained
P1337 (1)(1) 17745Camshaft Position Sensor Short To Ground (Bank 1)
P1338 (1)(1) 17746Camshaft Position Sensor Open Circuit Or Short To B+ (Bank 1)
P1386 (4)(4) 17794PCM Knock Control Circuit Error
P1410 (1)(1) 17818Fuel Tank Ventilation Valve Circuit Short To B+
P1425 (1)(1) 17833Fuel Tank Ventilation Valve Short To Ground
P1426 (1)(1) 17834Fuel Tank Ventilation Valve Open
P1471 (1)(1) 17879EVAP Leak Detection Pump Short To B+
P1472 (1)(1) 17880EVAP Leak Detection Pump Short To Ground
P1473 (1)(1) 17881EVAP Leak Detection Pump Open Circuit
P1475 (1)(1) 17883EVAP Leak Detection Pump Malfunction/Signal Circuit Open
P1476 (1)(1) 17884EVAP Leak Detection Pump Malfunction/Insufficient Vacuum
P1477 (1)(1) 17885EVAP Leak Detection Pump Malfunction
P1500 (3)(3) 17908Fuel Pump Relay Circuit Electrical Malfunction
P1501 (3)(3) 17909Fuel Pump Relay Circuit Short To Ground
P1502 (3)(3) 17910Fuel Pump Relay Circuit Short To B+
P1505 (1)(1) 17913CTP Switch Does Not Close (Open Circuit)
P1506 (1)(1) 17914CTP Switch Does Not Open (Short To Ground)
P1543 (3)(3) 17951Throttle Actuation Potentiometer Signal Too Low
P1544 (3)(3) 17952Throttle Actuation Potentiometer Signal Too High
P1545 (1)(1) 17953Throttle Position Control Malfunction
P1546 (4)(4) 17954Boost Pressure Control Valve Short To B+
P1547 (4)(4) 17955Boost Pressure Control Valve Short To Ground
P1548 (4)(4) 17956Boost Pressure Control Valve Open
P1555 (4)(4) 17963Charge Pressure Upper Limit Exceeded
P1556 (4)(4) 17964Charge Pressure Negative Deviation
P1557 (4)(4) 17965Charge Pressure Positive Deviation
P1558 (1)(1) 17966Throttle Actuator Electrical Malfunction
P1559 (4)(4) 17967Idle Speed Control/Throttle Position Adaptation Malfunction
P1560 (4)(4) 17968Maximum Engine Speed Exceeded
P1602 (4)(4) 18010Power Supply (B+) Terminal 30 Low Voltage
P1606 (4)(4) 18014Rough Road Specification Engine Torque ABS-ECU Electrical Malfunction
P1611 (1)(1) 18019MIL Call-Up Circuit/TCM Short To Ground
P1612 (4)(4) 18020PCM Incorrect Coding
P1613 (5)(5) 18021MIL Call-Up Circuit Open Or Short To B+
P1624 (6)(6) 18032MIL Request Active
P1640 (1)(1) 18048Internal PCM (EEPROM) Error
(1) MIL is switched on after 2 trips. (2) MIL is switched on after 2 trips or will blink. (3) MIL is switched on immediately. (4) MIL is not switched on. (5) MIL is switched on after 2 trips. See appropriate ELECTRONICS CONTROLS article in TRANSMISSIONS. (6) MIL is switched on immediately. See ELECTRONICS CONTROLS article in TRANSMISSIONS.
(1)MIL is switched on after 2 trips.
(2)MIL is switched on after 2 trips or will blink.
(3)MIL is switched on immediately.
(4)MIL is not switched on.
(5)MIL is switched on after 2 trips. See appropriate ELECTRONICS CONTROLS article in TRANSMISSIONS.
(6)MIL is switched on immediately. See ELECTRONICS CONTROLS article in TRANSMISSIONS.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

See also:
WIRING DIAGAMS