OBD LensIdle air control (IAC) valve, cold start - performance problem
2 reference families · Genesis / Hyundai / Kia, Generic OBD2
Diagnostic knowledge search
23,879 code identifiers with scoped meanings, and 54,261 enhanced signal definitions. No VIN or personal information is needed.
Diagnostic explainers
Pending, stored and permanent codes · Enhanced PIDs and Mode 2278,140 matches
Page 583 · 17461–17490 shownХарактеристики системы контроля расхода воздуха на холостом ходу при холодном пуске
1 reference families · Genesis / Hyundai / Kia
Engine system idle speed too low during catalyst heating
1 reference families · Changan
Engine system idle speed is too high during catalyst heating
1 reference families · Changan
Ignition timing, cold start - performance problem
2 reference families · Genesis / Hyundai / Kia, Generic OBD2
Ignition angle efficiency monitoring during catalyst heatingfldle speed
2 reference families · Changan, Genesis / Hyundai / Kia
Engine coolant temperature (ECT) sensor, cold start - performance problem
1 reference families · Generic OBD2
Несоответствующая температура охлаждающей жидкости двигателя при холодном пуске
1 reference families · Genesis / Hyundai / Kia
Coolant temperature sensor 1 cold start calibration is unreasonable (negative deviation)
1 reference families · Changan
Coolant temperature sensor 1 cold start calibration is unreasonable (positive deviation)
1 reference families · Changan
Cold start rough idle
1 reference families · Generic OBD2
Exhaust temperature, cold start - out of range
1 reference families · Generic OBD2
Brake booster pressure sensor - low
1 reference families · Generic OBD2
Closed throttle position (CTP) switch - circuit malfunction
9 reference families · BMW, Ford, Mercedes-Benz, Dodge / Mitsubishi, Infiniti / Nissan, Generic OBD2, Belgee / Geely / Proton, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen
Idle air control (IAC) - circuit malfunction
4 reference families · BMW, Acura / Honda, Generic OBD2, GAC / Lexus / Toyota
Starter request circuit - malfunction
4 reference families · BMW, Generic OBD2, GAC / Lexus / Toyota, Audi / Jetta / MAN / Seat / Skoda / Volkswagen
Incorrect immobilizer key
6 reference families · BMW, ISUZU, Dodge / Mitsubishi, Generic OBD2, Belgee / Geely / Proton, GAC / Lexus / Toyota
Reply received by EMS is inconsistent with internal calculation result
1 reference families · Changan
Battery temperature sensor - circuit range/performance
3 reference families · BMW, Generic OBD2, GAC / Lexus / Toyota
Battery temperature sensor - circuit malfunction
4 reference families · BMW, Dodge / Mitsubishi, Generic OBD2, GAC / Lexus / Toyota
Battery temperature sensor - circuit low
3 reference families · BMW, Generic OBD2, GAC / Lexus / Toyota
Battery temperature sensor - circuit high
3 reference families · BMW, Generic OBD2, GAC / Lexus / Toyota
Idle air control (IAC) - circuit intermittent
3 reference families · BMW, Generic OBD2, GAC / Lexus / Toyota
Idle air control (IAC) - circuit performance
3 reference families · BMW, Generic OBD2, GAC / Lexus / Toyota
Crankcase pressure sensor - circuit malfunction
1 reference families · Generic OBD2
Crankcase pressure sensor - circuit range/performance
1 reference families · Generic OBD2
Crankcase pressure sensor - circuit low
1 reference families · Generic OBD2
Crankcase pressure sensor - circuit high
1 reference families · Generic OBD2
Crankcase pressure sensor - circuit intermittent
1 reference families · Generic OBD2
Positive crankcase ventilation (PCV) filter - PCV filter restricted
1 reference families · Generic OBD2
OBD Lens reference library · catalog legacy-owner-2026-11-02-v84-evidence. Sources and scope