OBD LensBMW: P0646
A/C Clutch Relay Control Circuit Low
- Reference namespace
- bmw
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: BMW.
10 profiles assigned this reference family
Genesis / Hyundai / Kia: P0646
Цепь управления реле муфты кондиционера, низкое напряжение
- Reference namespace
- hyundai-kia
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: Kia, Genesis, Hyundai.
401 profiles assigned this reference family
- OBD-II / EOBDHyundai
- OBD-II / EOBDGenesis
- Accent III / Verna MC 1.5 CRDI DieselHyundai
- Accent III MC / Verna 1.4/1.6 MPIHyundai
- Accent IV (RB/RC) / Verna / i25 / Excel III / Grand Pony 2010-2017 1.4/1.6 MPIHyundai · 2010–2017
- Accent IV RB 1.4/1.6 GDIHyundai
- Accent IV RB 1.6 CRDIHyundai
- Accent V / Verna HC 1.5 CRDI DieselHyundai
- Accent V / Verna HC 1.6 CRDI Diesel (2018-2022)Hyundai · 2018–2022
- Cadenza VG / K7 (2010-2016) 2.4 GDIKia · 2010–2016
- Cadenza VG / K7 (2011-2016) 2.7Kia · 2011–2016
- Cadenza VG / K7 (2011-2018) 3.0Kia · 2011–2018
- Cadenza VG / K7 (2011-2018) 3.0 LPIKia · 2011–2018
- Carens KY 1.5 CRDI Diesel (2021-n.d.)Kia · 2021–onward
- Carens/Rondo 2 UN (2006-2012) 2.0/2.4 MPI CANKia · 2006–2012
- Carens/Rondo 3 RP (2012-2021)Kia · 2012–2021
- Carens/Rondo 3 RP (2012-2021) 1.6 GDIKia · 2012–2021
- Carens/Rondo 3 RP (2013-2014) 1.7 CRDI Diesel TCIKia · 2013–2014
- Carens/Rondo 3 RP (2015-2021) 1.7 CRDI Diesel TCI-U2Kia · 2015–2021
- Carnival KA4 1.6 T-GDI HEV (2020-)Kia · 2020–onward
- Carnival KA4 2.2 CRDI Diesel (2020-)Kia · 2020–onward
- Carnival KA4 PE 2.0 T-GDI (2020-)Kia · 2020–onward
- Carnival KA4 PE 3.5 (2020-)Kia · 2020–onward
- Carnival/Sedona VQ-2 2.7 V6 (2006-2014)Kia · 2006–2014
377 more related profiles are listed in the vehicle directory.
ISUZU: P0646
A/C compressor relay control circuit low
- Reference namespace
- isuzu
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: ISUZU.
1 profiles assigned this reference family
- D-Max gen. II (2012-2019)ISUZU · 2012–2019
Datsun / Lada: P0646
Реле муфты компрессора кондиционера, замыкание цепи управления на массу
- Reference namespace
- lada
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: Lada, Datsun.
23 profiles assigned this reference family
- Bosch MP7.0Lada
- Granta / Mi-Do / On-Do + АКПП JatcoDatsun
- Largus (M86)Lada
- Largus 1.6 K4M (CAN)Lada
- Largus 1.6 K4M (К-Линия) 1.6 K4M (EMS 3132)Lada
- M74 CAN, ME17.9.7 CANLada
- M74/M75/Bosch 17.9.7Lada
- M75 CANLada
- Vesta (H4M+CVT, все блоки) 2019-2022Lada · 2019–2022
- Vesta (M86, все блоки) 2015-2022Lada · 2015–2022
- Vesta NG / Iskra + OBDII 2024- (M74.9 CAN)Lada · 2024–2025
- Vesta NG 2023- (M74.9 CAN), Niva Travel 2022-, Granta 2023- (M74.8, M74.9 CAN)Lada · 2022–onward
- Vesta, X-Ray (M86) без поддержки OBDII (2015-2022)Lada · 2015–2022
- X-Ray (M86) OBDII (двигатели ВАЗ, кроме Renault/Nissan)Lada
- X-RAY (OBDII+доп блоки)Lada
- X-Ray 1.6 H4M + CVTLada
- Итэлма М73Lada
- Итэлма М73 (вариант 2)Lada
- Итэлма М73, Bosch 7.9.7Lada
- Январь 5.1.1Lada
- Январь 5.1.1 (вар. 2)Lada
- Январь 7.2Lada
- Январь 7.2 (вар. 2)Lada
Generic OBD2: P0646
AC compressor clutch relay - circuit low
- Reference namespace
- obd2
- Source revision
- legacy-2.2.20
Generic OBD2 definition; confirm the protocol and vehicle-specific service information.
Belgee / Geely / Proton: P0646
Air Conditioning Clutch, Short Circuit To Batt; Air Condition Clutch, Short Circuit To Ground
- Reference namespace
- proton
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: Belgee, Geely, Proton.
5 profiles assigned this reference family
GAC / Lexus / Toyota: P0646
Air Conditioner Clutch Relay Circuit Low
- Reference namespace
- toyota
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: GAC, Toyota, Lexus.
24 profiles assigned this reference family
- OBD-II / EOBDLexus
- 29 bit EV data profileToyota
- BZ3XGAC
- Camry Hybrid XV50, RAV4 Hybrid 2016-2018, Auris TS HybridToyota · 2016–2018
- Corolla E110, E120 1CD-FTVToyota
- Corolla Hybrid 2020-, RAV4 Hybrid 2019-, Camry Hybrid 2018-, Avalon Hybrid 2019-Toyota · 2018–onward
- Corolla Verso / Avensis gen.2 (2004-2007) DieselToyota · 2004–2007
- GT-86 (2012-2021)Toyota · 2012–2021
- Highlander Hybrid Gen.3Toyota
- JOBD JDM CANLexus
- OBD-II / EOBD ~1999-2008 K-Line/KWP + extra sensorsLexus · 1999–2008
- OBD-II / EOBD ~2006-2009 CAN + extra sensorsLexus · 2006–2009
- OBD-II / EOBD ~2010-2022 CAN + extra sensorsLexus · 2010–2022
- OBD-II / EOBD ~2016 - n.d. CAN + extra sensorsLexus · 2016–onward
- Prius Gen. 2 (2004-2009)Toyota · 2004–2009
- Prius Gen. IV (2015-)Toyota · 2015–onward
- Prius Gen.3 2010-Toyota · 2010–onward
- Prius PrimeToyota
- RAV4 Prime PHEV (2019-2025), Prius Prime (2023-n.d.) / Lexus NX450h+ PHEVLexus · 2019–onward
- Tacoma gen.3 (2016-n.d.)Toyota · 2016–onward
- Vitz 2009 CVTToyota · 2009–2009
- WWH-OBD EV (CAN 29 bit) (2026-n.d.)Toyota · 2026–onward
- WWH-OBD HEV/PHEV (CAN 29 bit) (2026-n.d.)Toyota · 2026–onward
- WWH-OBD ICE (CAN 29 bit) (2026-n.d.)Toyota · 2026–onward
УАЗ: P0646
Обрыв или КЗ на «массу» цепи реле муфты компрессора кондиционера
- Reference namespace
- uaz
- Source revision
- legacy-oem-dtc-r2-20260924
Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.
Related catalog brands: УАЗ.
4 profiles assigned this reference family
What should I check before using this definition?
Keep the full code, module, status and freeze-frame data. Confirm the vehicle’s make, model, year and current manufacturer service information before choosing a repair. This entry does not identify a failed part by itself.
Organize a scan report or recordingOBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.
Read the reference method