EV manufacturer
GMC EV diagnostics
Browse in-scope 2021+ battery-electric and plug-in hybrid model families, plus evidence-labelled diagnostic records.
2 model families8 verified9 accepted research300 reference candidates
GMC HUMMER EVModels
Verified Manufacturer-level verified records
These records passed the verified evidence gate. Model applicability is shown only where separately supported.
B0126-49Sürücü izleme sistemi modülünde (DMSM) dahili/performans tipi arıza; 'Service Driver Assist' mesajı ile ilişkilidir.U023D00Sol ön kısa menzil radar sensörü ile iletişim kaybı.U023E00Sağ ön kısa menzil radar sensörü ile iletişim kaybı.U112600Sol/orta arka kısa menzil radar sensörü ile iletişim kaybı.U112700Sağ arka kısa menzil radar sensörü ile iletişim kaybı.U163D00CAN Bus 3 üzerindeki görüntü işleme modülü - işlemci 1 ile iletişim kaybı.U3000-44Sürücü izleme sistemi modülünde genel kontrol modülü / veri belleği tipi arıza; yazılım anomalisi ile ilişkilidir.U3000-49Sürücü izleme sistemi modülünde genel kontrol modülü dahili elektronik arızası; yazılım anomalisi ile ilişkilidir.
Accepted Research Accepted research
These curated research findings are useful for discovery but are not yet treated as verified canonical diagnostics.
B0126 SYM82Sierra Denali EV (2024): Bulletin context: non-clearable code in the image processing module. It may be related to the driver-monitoring camera or its connection.
B1599 SYM13Sierra Denali EV (2024): Bulletin context: non-clearable code in the image processing module. It may be related to the driver-monitoring camera or its connection.
B1DD0 SYM57Sierra Denali EV (2024): Bulletin context: non-clearable code in the image processing module. It may be related to the driver-monitoring camera or its connection.
P0AA6HUMMER EV Pickup (2022–2025): Bulletin context: code requiring a safety evaluation for possible loss of isolation in the high-voltage battery.
P0AA6HUMMER EV SUV (2024–2025): Bulletin context: code requiring a safety evaluation for possible loss of isolation in the high-voltage battery.
P0AA6Sierra EV (2024–2025): Bulletin context: code requiring a safety evaluation for possible loss of isolation in the high-voltage battery.
P2980HUMMER EV Pickup (2024–2025): Bulletin context: HV service/charging unavailable warning. It may be related to BECM software.
P2980HUMMER EV SUV (2024–2025): Bulletin context: HV service/charging unavailable warning. It may be related to BECM software.
P2980Sierra Denali EV (2024): Bulletin context: HV service/charging unavailable warning. It may be related to BECM software.
Reference Brand reference codes
Openly licensed reference definitions are discovery data, not proof of applicability to a particular GMC EV.
P1031HO2S Heater Current Monitor Control Circuit Sensors 1
P1032HO2S Heater Warm Up Control Circuit Sensors 1
P1105Secondary Vacuum Sensor Circuit
P1106MAP Sensor Circuit Intermittent High Voltage
P1107MAP Sensor Circuit Intermittent Low Voltage
P1108BARO To MAP Sensor Circuit Comparison Too High
P1109Secondary Port Throttle System
P1111Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
P1112Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
P1113Intake Resonance Switchover Valve Circuit
P1114Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
P1115Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
P1116ECT Signal Unstable Or Intermittent
P1117Engine Coolant Temp Signal Out Of Range Low
P1118Engine Coolant Temp Signal Out Of Range High
P1119ECT Signal Out Of Range With TFT Sensor
P1120Throttle Position (TP) Sensor 1 Circuit
P1121TP Sensor Circuit Intermittent High Voltage
P1122TP Sensor Circuit Intermittent Low Voltage
P1125Accelerator Pedal Position (APP) System
P1130HO2S Circuit Low Variance Bank 1 Sensor 1
P1131HO2S Circuit Low Variance Bank 1 Sensor 2
P1132H02S Circuit Low Variance Bank 2 Sensor 1
P1133HO2S Insufficient Switching
P1134HO2S Transition Time Ratio
P1135HO2S Lean Average Bank 1 Sensor 1
P1136HO2S Rich Average Bank 1 Sensor 1
P1137HO2S Bank 1 Sensor 2 Lean Or Low Voltage
P1138HO2S Bank 1 Sensor 2 Rich Or High Voltage
P1139HO2S Insufficient Switching Bank 1 Sensor 2
P1140HO2S Transition Time Ratio Bank 1 Sensor 2
P1141HO2S Bank 1 Sensor 2 Average Voltage Level
P1143HO2S Bank 1 Sensor 3 Lean Or Low Voltage
P1144HO2S Bank 1 Sensor 3 Rich Or High Voltage
P1145HO2S Cross Counts Bank 1 Sensor 3
P1153HO2S Insufficient Switching
P1154HO2S Transition Time Ratio
P1155HO2S Lean Average Bank 2 Sensor 1
P1156HO2S Rich Average Bank 2 Sensor 1
P1157HO2S Bank 2 Sensor 2 Lean System Or Low Voltage
P1158HO2S Bank 2 Sensor 2 Rich Or High Voltage
P1159HO2S Cross Counts Bank 2 Sensor 2
P1161HO2S Heater Power Stage Circuit Bank 2 Sensor 2
P1163HO2S Bank 2 Sensor 3 Lean System Or Low Voltage
P1164HO2S Bank 2 Sensor 3 Rich Or High Voltage
P1165HO2S Cross Counts Bank 2 Sensor 2
P1170Bank To Bank Fuel Trim Offset
P1171Fuel System Lean During Acceleration
P1185Engine Oil Temperature Circuit
P1186EOT Circuit Performance
P1187EOT Sensor Circuit Low Voltage
P1188EOT Sensor Circuit High Voltage
P1189Engine Oil Pressure Switch Circuit
P1190Engine Vacuum Leak
P1191Intake Air Duct Air Leak
P1200Injector Control Circuit
P1201Alternative Fuel Gas Mass Sensor Circuit Range Performance
P1202Alternative Fuel Gas Mass Sensor Circuit Low Frequency
P1203Alternative Fuel Gas Mass Sensor Circuit High Frequency
P1211Mass Air Flow Circuit Intermittent High
P1212Mass Air Flow Circuit Intermittent Low
P1214Injection Pump Timing Offset
P1215Ground Fault Detection Indicated
P1216Fuel Solenoid Response Time Too Short
P1217Fuel Solenoid Response Time Too Long
P1218Injection Pump Calibration Circuit
P1219Throttle Position Sensor Reference Voltage
P1220Throttle Position (TP) Sensor 2 Circuit
P1221Throttle Position (TP) Sensor 1 2 Correlation
P1222Injector Control Circuit Intermittent
P1225Injector Circuit Cylinder 2 Intermittent
P1228Injector Circuit Cylinder 3 Intermittent
P1231Injector Circuit Cylinder 4 Intermittent
P1234Injector Circuit Cylinder 5 Intermittent
P1237Injector Circuit Cylinder 6 Intermittent
P1240Injector Circuit Cylinder 7 Intermittent
P1243Injector Circuit Cylinder 8 Intermittent
P1245Intake Plenum Switchover Valve
P1250Early Fuel Evaporation Heater Circuit
P1257Supercharger System Overboost
P1258Engine Coolant Overtemperature Protection Mode Active
P1260Last Test Failed SCC Or Theft Detected Vehicle Immobilized
P1270Accelerator Pedal Position Sensor A/D Converter Error
P1271APP Sensor 1 2 Performance
P1272Accelerator Pedal Position Sensor 2
P1273Accelerator Pedal Position Sensor 1
P1274Injectors Wired Incorrectly
P1275Accelerator Pedal Position (APP) Sensor 1 Circuit
P1276Accelerator Pedal Position (APP) Sensor 1 Performance
P1277Accelerator Pedal Position Sensor 1 Circuit Low Voltage
P1278Accelerator Pedal Position Sensor 1 Circuit High Voltage
P1280Accelerator Pedal Position (APP) Sensor 2 Circuit
P1281Accelerator Pedal Position (APP) Sensor 2 Performance
P1282Accelerator Pedal Position Sensor 2 Circuit Low Voltage
P1283Accelerator Pedal Position Sensor 2 Circuit High Voltage
P1285Accelerator Pedal Position (APP) Sensor 3 Circuit
P1286Accelerator Pedal Position (APP) Sensor 3 Performance
P1287Accelerator Pedal Position Sensor 3 Circuit Low Voltage
P1288Accelerator Pedal Position Sensor 3 Circuit High Voltage
P1300Ignitor Circuit