EV manufacturer
Volkswagen EV diagnostics
Browse in-scope 2021+ battery-electric and plug-in hybrid model families, plus evidence-labelled diagnostic records.
15 model families37 verified5 accepted research300 reference candidates
Volkswagen ID.4Models
Volkswagen ID. Buzz
BEV · 2025
6 verified applicable recordsVolkswagen ID. UNYX
BEV · 2024
0 verified applicable recordsVolkswagen ID.3
BEV · 2021
0 verified applicable recordsVolkswagen ID.4
BEV · 2021–2026
37 verified applicable recordsVolkswagen ID.6
BEV · 2021
0 verified applicable recordsVolkswagen ID.6 CROZZ
BEV · 2021
0 verified applicable recordsVolkswagen ID.7
BEV · 2023–2026
0 verified applicable recordsVolkswagen ID.7 S
BEV · 2024
0 verified applicable recordsVolkswagen ID.UNYX 07
BEV · 2026
0 verified applicable recordsVolkswagen Passat
PHEV · 2021
0 verified applicable recordsVolkswagen Passat GTE
PHEV · 2021–2023
0 verified applicable recordsVolkswagen Passat ePro
PHEV · 2026
0 verified applicable recordsVolkswagen Tayron
PHEV · 2022–2024
0 verified applicable recordsVolkswagen Tiguan
PHEV · 2021
0 verified applicable recordsVolkswagen Touareg
PHEV · 2021
0 verified applicable recordsVerified Manufacturer-level verified records
These records passed the verified evidence gate. Model applicability is shown only where separately supported.
U166100application server 1 for system 1, adaptive internal fault, passive/sporadic Symptom 2498822 U112100: data bus, missing message, passive/sporadic Symptom 8515586 Technical SeU044700diagnosis interface for data bus module 1, implausible signal, passive/sporadic Symptom 23076 U041600: ESC implausible signal Symptom 38468 U122900: for driver assist systeB127D4Brear overhead view camera, excess temperature, passive/sporadic Symptom 9600331 B127C4B: front overhead view camera, excess temperature, passive/sporadic Symptom 9600075 TechP068B00main relay opens too late, passive/sporadic Symptom 15239 U044700: diagnosis interface for data bus module 1, implausible signal, passive/sporadic Symptom 23076 U041600: ESC1249F5restricted function because of safety functions of charge management, passive/sporadic Symptom 8516406 Technical Service Bulletin Transaction No: 2064412/1 01-21-10 - IrrelevantB127C4Bfront overhead view camera, excess temperature, passive/sporadic Symptom 9600075 Technical Service Bulletin Transaction No: 2064412/1 01-21-10 - Irrelevant Diagnostic Trouble CodU112300received error value for data bus, active static/passive sporadic Symptom 4194347 Technical Service Bulletin Transaction No: 2064412/1 01-21-10 - Irrelevant Diagnostic Trouble CoU011000control unit for electric drive, electric drive no communication, passive/sporadic Symptom 21634 U303500: communication monitoring authentication signal invalid, passive/sporadU303500communication monitoring authentication signal invalid, passive/sporadic Symptom 43491 Technical Service Bulletin Transaction No: 2064412/1 01-21-10 - Irrelevant Diagnostic TroubP0CFF0010/26/2021 Page 4 of 4 © 2021 Volkswagen Group of America, Inc. All rights reserved. Information contained in this document is based on the latest information available at the timeP2B280010/26/2021 Page 4 of 4 © 2021 Volkswagen Group of America, Inc. All rights reserved. Information contained in this document is based on the latest information available at the timeB184C00 Select the “Test Plan” tab in Guided Fault Finding Click the “Select self-test” button Locate 0001 – Fill/bleed cooling system and attach to the test plan Locate 008C – OutP0EBC00A GFF log must be included with the warranty claim. All documentation is needed for reimbursement and musP0EBF00A GFF log must be included with the warranty claim. All documentation is needed for reimbursement and must be uploaded to WISE. For information on uploading documents and picturesP053100A GFF log must be included with the warranty claim. AlP053300signal too big P053100 refrigerant pressure 1, implausible signal P0EBC00 refrigerant temperature sensor 1 of air conditioning system, electric fault P0EBF00 refrigerant temperaturP053000signal too big P053100 refrigerant pressure 1, implausible signal P0EBC00 refrigerant temperature sensor 1 of air conditioning system, electric fault P0EBF00 refrigerant temperaturU164400Ethernet control unit for digital sound package, no communication, active static/passive sporadic Symptom 2498671 Technical Service Bulletin Transaction No: 2064412/2 01-21-10 -B186101rear camera voltage supply, electric fault - passive/sporadic Symptom 9986305 Technical Service Bulletin Transaction No: 2064412/2 01-21-10 - Irrelevant Diagnostic Trouble CodesU167900distance calculation faulty, passive/sporadic Symptom 8667137 U177800: application server 1, system 2, Java software fault detected, active static/passive sporadic Symptom 18C124800restricted function due to implausible signal, passive/sporadic Symptom 20485 Technical Service Bulletin Transaction No: 2064412/2 01-21-10 - Irrelevant Diagnostic Trouble CodesC1249F6restricted function because of safety functions of charge management (mechanical), passive/sporadic Symptom 8516406 B163002: predictive route data signal error, active static/pU177800application server 1, system 2, Java software fault detected, active static/passive sporadic Symptom 1801 Technical Service Bulletin Transaction No: 2064412/2 01-21-10 - IrrelevaB127F4Bright overhead view camera, excess temperature, passive/sporadic Symptom 9600843 B186101: rear camera voltage supply, electric fault - passive/sporadic Symptom 9986305 TechniU163C00Ethernet control unit, adaptive cruise control, no communication, passive/sporadic Symptom 2494551 U164400: Ethernet control unit for digital sound package, no communication, aU14FF00passive sporadic ‒ Symptom 8491265 • U14FF00 safe onboard communication, signature check failed, passive sporadic ‒ Symptom 8491267 Technical Service Bulletin Transaction No: 20681U173E00passive sporadic ‒ Symptom 8511746 Technical Service Bulletin Transaction No: 2068173/1 01-22-06 - Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units ReleasB1313292068173/1 01-22-06 - Irrelevant Diagnostic Trouble Codes (DTCs) Logged in Various Control Units Release date: 10/17/2022 Page 5 of 7 © 2022 Volkswagen Group of America, Inc. All riP1DCB00passive/sporadic ‒ Symptom 8516869 • U173E00 occupant detection system, restricted function because of implausible message - passive sporadic ‒ Symptom 8511746 Technical Service BuP0BBDvoltage battery is OK, then no further technical diagnosis should be carried out in accordance with this tech tip. Technical Tip Transaction No: 2069432/1 93-23-01TT - Reduced RangP0461on (Untouched Vehicles) Electric ID.4 25 All All DTC Active U122900 with symtom code 31949 stored in AW01P0D0F2026 All All All All IP0D082026 All All All All ID.Buzz 2025P0E74J840- (diagnosticP0D942026 All AlP1FE32026 All All All All ID.Buzz 2025P1DD52026 All All All A
Accepted Research Accepted research
These curated research findings are useful for discovery but are not yet treated as verified canonical diagnostics.
P0A3C00ID.4 (2023–2025): Drive motor A inverter is overheated.
P0AEE00ID.4 (2023–2025): Drive motor A inverter temperature sensor circuit range/performance fault.
P1A0800ID.4 (2025): Charging unit 1 fuse is detected as faulty. AC charging may be unavailable.
P1A0F00ID.4 (2025): Charging unit 2 fuse is detected as faulty. AC charging may be unavailable.
P1A1600ID.4 (2025): Charging unit 3 fuse is detected as faulty. AC charging may be unavailable.
Reference Brand reference codes
Openly licensed reference definitions are discovery data, not proof of applicability to a particular Volkswagen EV.
P1101Oxygen Sensor Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak
P1102Oxygen Sensor Heating Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak
P1103Oxygen Sensor Heating Circuit Bank 1 Sensor 1 Short To B+
P1104Oxygen Sensor Bank 1 Sensor 2 Voltage Too Low/Air Leak
P1105Oxygen Sensor Heating Circuit Bank 1 Sensor 2 Short To B+
P1106Oxygen Sensor Circuit Bank 2 Sensor 1 Voltage Too Low/Air Leak
P1107Oxygen Sensor Heating Circuit Bank 2 Sensor 1 Short To B+
P1108Oxygen Sensor Heating Circuit Bank 2 Sensor 1 Output Too Low
P1109Oxygen Sensor Circuit Bank 2 Sensor 2 Voltage Too Low/Air Leak
P1110Oxygen Sensor Heating Circuit Bank 2 Sensor 2 Short To B+
P1111Oxygen Sensor Control Bank 1 System Too Lean
P1112Oxygen Sensor Control Bank 1 System Too Rich
P1113Oxygen Sensor Heater Resistance Too High Bank 1 Sensor 1
P1114Bank 1 Sensor 2 Resistance Too High
P1115Oxygen Sensor Heater Circuit Short To Ground Bank 1 Sensor 1
P1116Oxygen Sensor Heater Circuit Open Bank 1 Sensor 1
P1117Oxygen Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
P1118Oxygen Sensor Heater Circuit Open Bank 1 Sensor 2
P1119Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Short To Ground
P1120Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Open
P1121Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Short To Ground
P1122Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Open
P1123Long Term Fuel Trim Add Air Bank 1 System Too Rich
P1124Long Term Fuel Trim Add Air Bank 1 System Too Lean
P1125Long Term Fuel Trim Add Air Bank 2 System Too Rich
P1126Long Term Fuel Trim Add Air Bank 2 System Too Lean
P1127Long Term Fuel Trim Bank 1 System Too Rich
P1128Long Term Fuel Trim Bank 1 System Too Lean
P1129Long Term Fuel Trim Bank 2 System Too Rich
P1130Long Term Fuel Trim Bank 2 System Too Lean
P1131Bank 2 Sensor 1 Resistance Too High
P1132Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 1 Short To B+
P1133Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 1 Electrical Malfunction
P1134Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 2 Short To B+
P1135Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 2 Electrical Malfunction
P1136Long Term Fuel Trim Add Fuel Bank 1 System Too Lean
P1137Long Term Fuel Trim Add Fuel Bank 1 System Too Rich
P1138Long Term Fuel Trim Add Fuel Bank 2 System Too Lean
P1139Long Term Fuel Trim Add Fuel Bank 2 System Too Rich
P1140Bank 2 Sensor 2 Resistance Too High
P1141Load Calculation Cross Check Range Performance
P1142Load Calculation Cross Check Lower Limit Exceeded
P1143Load Calculation Cross Check Upper Limit Exceeded
P1144Mass Or Volume Air Flow Circuit Open/Short To Ground
P1145Mass Or Volume Air Flow Circuit Short To B+
P1146Mass Or Volume Air Flow Circuit Power Supply Malfunction
P1147Oxygen Sensor Control Bank 2 System Too Lean
P1148Oxygen Sensor Control Bank 2 System Too Rich
P1149Oxygen Sensor Control Bank 1 Out Of Range
P1150Oxygen Sensor Control Bank 2 Out Of Range
P1151Bank 1 Long Term Fuel Trim Range 1 Lower Lean Limit Exceeded
P1152Bank 1 Long Term Fuel Trim Range 2 Lower Lean Limit Exceeded
P1154Manifold Switch Over Malfunction
P1155Manifold Absolute Pressure Sensor Circuit Short To B+
P1156Manifold Absolute Pressure Sensor Circuit Open/Short To Ground
P1157Manifold Absolute Pressure Sensor Circuit Power Supply Malfunction
P1158Manifold Absolute Pressure Sensor Circuit Range Performance
P1160Manifold Temperature Sensor Circuit Short To Ground
P1161Manifold Temperature Sensor Circuit Open/Short To B+
P1162Fuel Temperature Sensor Circuit Short To Ground
P1163Fuel Temperature Sensor Circuit Open/Short To B+
P1164Fuel Temperature Sensor Range Performance
P1165Bank 1 Long Term Fuel Trim Range 1 Lower Lean Limit Exceeded
P1166Bank 1 Long Term Fuel Trim Range 2 Upper Rich Limit Exceeded
P1171Throttle Actuation Potentiometer Signal 2 Range Performance
P1172Throttle Actuation Potentiometer Signal 2 Signal Too Low
P1173Throttle Actuation Potentiometer Signal 2 Signal Too High
P1174Fuel Trim Bank 1 Different Injection Times
P1176Rear Oxygen Sensor Correction
P1177Oxygen Sensor Correction Behind Catalyst Bank 1 Limit Attained
P1178Linear Oxygen Sensor Pump Current Open
P1179Linear Oxygen Sensor Pump Current Short To Ground
P1180Linear Oxygen Sensor Pump Current Short To B+
P1181Linear Oxygen Sensor Reference Voltage Open
P1182Linear Oxygen Sensor Reference Voltage Short To Ground
P1183Linear Oxygen Sensor Reference Voltage Short To B+
P1184Linear Oxygen Sensor Common Ground Wire Open
P1185Linear Oxygen Sensor Common Ground Wire Short To Ground
P1186Linear Oxygen Sensor Common Ground Short To B+
P1187Linear Oxygen Sensor Compensation Resistor Open
P1188Linear Oxygen Sensor Compensation Resistor Short To Ground
P1189Linear Oxygen Sensor Compensation Resistor Short To B+
P1190Linear Oxygen Sensor Reference Voltage Incorrect Signal
P1196Oxygen Sensor Heater Circuit Bank 1 Sensor 1 Electrical Malfunction
P1197Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Electrical Malfunction
P1198Oxygen Sensor Heater Circuit Bank 1 Sensor 2 Electrical Malfunction
P1199Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Electrical Malfunction
P1201Cylinder 1 Fuel Injector Circuit Electrical Malfunction
P1202Cylinder 2 Fuel Injector Circuit Electrical Malfunction
P1203Cylinder 3 Fuel Injector Circuit Electrical Malfunction
P1204Cylinder 4 Fuel Injector Circuit Electrical Malfunction
P1205Cylinder 5 Fuel Injector Circuit Electrical Malfunction
P1206Cylinder 6 Fuel Injector Circuit Electrical Malfunction
P1207Cylinder 7 Fuel Injector Circuit Electrical Malfunction
P1208Cylinder 8 Fuel Injector Circuit Electrical Malfunction
P1209Intake Valves For Cylinder Shut-Off Short Circuit To Ground
P1210Intake Valves For Cylinder Shut-Off Short To B+
P1211Intake Valves For Cylinder Shut-Off Open Circuit
P1213Cylinder 1 Fuel Injector Circuit Short To B+
P1214Cylinder 2 Fuel Injector Circuit Short To B+