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Home/Audi/A4/Audi A4 B5 facelift (1999-2001)/Repair manual/Testing & Diagnostics/Engine Controls - Self-Diagnostics - 2.8L: Overview
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Engine Controls - Self-Diagnostics - 2.8L: Overview Audi A4 B5 facelift

Testing & Diagnostics

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
P0112 (1)(1) 16496Intake Air Temperature Circuit Low Input
P0113 (1)(1) 16497Intake Air Temperature 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 (1)(1) 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)
P0150 (1)(1) 16534HO2S Circuit Malfunction (Bank 2, Sensor 1)
P0151 (1)(1) 16535HO2S Circuit Low Voltage (Bank 2, Sensor 1)
P0152 (1)(1) 16536HO2S Circuit High Voltage (Bank 2, Sensor 1)
P0153 (1)(1) 16537HO2S Circuit Slow Response (Bank 2, Sensor 1)
P0154 (1)(1) 16538HO2S Circuit No Activity Detected (Bank 2, Sensor 1)
P0156 (1)(1) 16540HO2S Circuit Malfunction (Bank 2, Sensor 2)
P0157 (1)(1) 16541HO2S Circuit Low Voltage (Bank 2, Sensor 2)
P0158 (1)(1) 16542HO2S Circuit High Voltage (Bank 2, Sensor 2)
P0159 (1)(1) 16543HO2S Circuit Slow Response (Bank 2, Sensor 2)
P0160 (1)(1) 16544HO2S Circuit No Activity Detected (Bank 2, Sensor 2)
P0300 (2)(2) 16684Random/Multiple 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
P0305 (2)(2) 16689Cylinder No. 5 Misfire Detected
P0306 (2)(2) 16690Cylinder No. 6 Misfire Detected
P0321 (1)(1) 16705Ignition Engine Speed Input Circuit Range/Performance
P0322 (3)(3) 16706Ignition Engine Speed Input Circuit No Signal
P0327 (3)(3) 16711Knock Sensor No. 1 Circuit Low Input
P0328 (3)(3) 16712Knock Sensor No. 1 Circuit High Input
P0332 (3)(3) 16716Knock Sensor No. 2 Circuit Low Input
P0333 (3)(3) 16717Knock Sensor No. 2 Circuit High Input
P0411 (1)(1) 16795Secondary Air Injection System Incorrect Flow Detected
P0422 (1)(1) 16806Main Catalyst Efficiency Below Threshold (Bank 1)
P0432 (1)(1) 16816Main Catalyst Efficiency Below Threshold (Bank 2)
P0441 (4)(4) 16825EVAP Emission Control System Incorrect Purge Flow
P0442 (4)(4) 16826EVAP Emission Control System Small Leak Detected
P0455 (4)(4) 16839EVAP Emission Control 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
P0601 (1)(1) 16985Internal Controller Module Memory Check Sum Error
P0604 (1)(1) 16988Internal Controller Module Memory RAM Error
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)
P1107 (1)(1) 17515HO2S Heater Circuit Short To B+ (Bank 2, Sensor 1)
P1110 (1)(1) 17518HO2S Heater Circuit Short To B+ (Bank 2, 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)
P1129 (1)(1) 17537Long Term Fuel Trim Multiplicative Too Rich (Bank 2)
P1130 (1)(1) 17538Long Term Fuel Trim Multiplicative Too Lean (Bank 2)
P1136 (1)(1) 17544Long Term Fuel Trim Additive Too Lean (Bank 1)
P1137 (1)(1) 17545Long Term Fuel Trim Additive Too Rich (Bank 1)
P1138 (1)(1) 17546Long Term Fuel Trim Additive Too Lean (Bank 2)
P1139 (1)(1) 17547Long Term Fuel Trim Additive Too Rich (Bank 2)
P1141 (1)(1) 17549Load Calculation Cross Check Range/Performance
P1176 (4)(4) 17584O2 Correction Behind Catalyst B1 Limit Attained
P1177 (4)(4) 17585O2 Correction Behind Catalyst B2 Limit Attained
P1196 (1)(1) 17604O2 Sensor Heater Circuit Electrical Malfunction (Bank 1, Sensor 1)
P1197 (1)(1) 17605O2 Sensor Heater Circuit Electrical Malfunction (Bank 2, Sensor 1)
P1198 (1)(1) 17606O2 Sensor Heater Circuit Electrical Malfunction (Bank 1, Sensor 2)
P1199 (1)(1) 17607O2 Sensor Heater Circuit Electrical Malfunction (Bank 2, 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+
P1217 (3)(3) 17625Cylinder No. 5 Fuel Injector Circuit Short To B+
P1218 (3)(3) 17626Cylinder No. 6 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
P1229 (3)(3) 17637Cylinder No. 5 Fuel Injector Circuit Short To Ground
P1230 (3)(3) 17638Cylinder No. 6 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
P1241 (3)(3) 17649Cylinder No. 5 Fuel Injector Open Circuit
P1242 (3)(3) 17650Cylinder No. 6 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
P1329 (4)(4) 17737Cylinder No. 5 Knock Control Limit Attained
P1330 (4)(4) 17738Cylinder No. 6 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 (1)(1) 17794Internal Control Module Knock Control Circuit Error
P1391 (1)(1) 17799Camshaft Position (CMP) Sensor Short To Ground (Bank 2)
P1392 (1)(1) 17800Camshaft Position (CMP) Sensor Open Circuit Or Short To B+ (Bank 2)
P1410 (1)(1) 17818Fuel Tank Ventilation Valve Circuit Short To B+
P1421 (3)(3) 17829Secondary Air Injection Valve Circuit Short To Ground
P1422 (3)(3) 17830Secondary Air Injection System Control Valve Circuit Short To B+
P1425 (1)(1) 17833Tank Vent Valve Short To Ground
P1426 (1)(1) 17834Tank Vent Valve Open
P1432 (1)(1) 17840Secondary Air Injection Valve Open
P1433 (1)(1) 17841Secondary Air Injection System Pump Relay Circuit Open
P1434 (1)(1) 17842Secondary Air Injection System Pump Relay Circuit Short To B+
P1435 (1)(1) 17843Secondary Air Injection System Pump Relay Circuit Short To Ground
P1436 (1)(1) 17844Secondary Air Injection System Pump Relay Circuit Electrical Malfunction
P1471 (4)(4) 17879EVAP Emission Control LDP Circuit Short To B+
P1472 (4)(4) 17880EVAP Emission Control LDP Circuit Short To Ground
P1473 (4)(4) 17881EVAP Emission Control LDP Open Circuit
P1476 (4)(4) 17884EVAP Emission Control LDP Circuit Malfunction/Insufficient Vacuum
P1477 (4)(4) 17885EVAP Emission Control LDP Circuit 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)
P1512 (3)(3) 17920Intake Manifold Change-Over Valve Circuit Short To B+
P1515 (3)(3) 17923Intake Manifold Change-Over Valve Circuit Short To Ground
P1516 (3)(3) 17924Intake Manifold Change-Over Valve Circuit Open
P1519 (1)(1) 17927Intake Camshaft Control Malfunction (Bank 1)
P1522 (1)(1) 17930Intake Camshaft Control Malfunction (Bank 2)
P1543 (1)(1) 17951Throttle Actuation Potentiometer Signal Too Low
P1544 (1)(1) 17952Throttle Actuation Potentiometer Signal Too High
P1545 (1)(1) 17953Throttle Position Control Malfunction
P1558 (1)(1) 17966Throttle Actuator Electrical Malfunction
P1559 (4)(4) 17967Idle Speed Control Throttle Position Adaptation Malfunction
P1560 (4)(4) 17968Maximum Engine Speed Exceeded
P1564 (4)(4) 17972Idle Speed Control Throttle Position Low Voltage During Adaptation
P1565 (1)(1) 17973Idle Speed Control Throttle Position Lower Impact Not Attained
P1600 (3)(3) 18008Power Supply (B+) Terminal 15 Low Voltage
P1602 (4)(4) 18010Power Supply (B+) Terminal 30 Low Voltage
P1606 (4)(4) 18014Rough Road/Acceleration Specification Engine Torque ABS-PCM Electrical Malfunction
P1612 (3)(3) 18020PCM Incorrectly Coded (Vehicle With A/T Is Coded For M/T)
P1612 (4)(4) 18020PCM Incorrectly Coded (Vehicle With ASR Is Not Coded For ASR)
P1624 (3)(3) 18032MIL Request Signal Active
P1626 (1)(1) 18034CAN Bus Missing Message From Transmission Controller
P1640 (1)(1) 18048Internal Controller Module (EEPROM) Error
P1681 (3)(3) 18089Controller Unit Programming Not Finished
P1690 (4)(4) 18098MIL Malfunction
(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.
(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.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

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