OBD LensBMW: P0645
A/C Clutch Relay Control Circuit
- 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
Dodge / Fiat: P0645
Command relay air conditioner
- Reference namespace
- fiat
- 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: Fiat, Dodge.
27 profiles assigned this reference family
- 500Fiat
- 500 1.2 Fire 8V (CAN)Fiat
- 500 1.3 MultiJet 16V (CAN)Fiat
- 500 1.4 MultiAir 16V (CAN)Fiat
- 500 1.4 T-Jet 16V (CAN)Fiat
- 500e (2013 - 2019)Fiat · 2013–2019
- 500e (2020-) BEV ElectricFiat · 2020–onward
- 500XFiat
- Bravo 1.4 T-Jet 16V (CAN)Fiat
- Bravo 1.4 T-Jet 16V (KWP)Fiat
- Dart / ViaggioDodge
- Doblo 1.3 MultiJet 16V (CAN)Fiat
- Doblo 1.4 8v KWPFiat
- Freemont DieselFiat
- Multijet 2.0 Diesel + ZF 9HP48Fiat
- Punto 1.2 8V (CAN)Fiat
- Punto 1.3 MultiJet 16V (CAN)Fiat
- Punto 1.4 Fire 8V (CAN)Fiat
- Punto 1.4 MultiAir 16V (CAN)Fiat
- Punto 1.4 T-Jet 16V (CAN)Fiat
- Punto 1.4 T-Jet 16V (KWP)Fiat
- Qubo 1.2 Fire 8V (CAN)Fiat
- Qubo 1.3 MultiJet 16V (CAN)Fiat
- Tipo / Egea 1.6 MultijetFiat
3 more related profiles are listed in the vehicle directory.
ISUZU: P0645
A/C compressor relay control circuit malfunction
- 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: P0645
Реле муфты компрессора кондиционера, обрыв цепи управления
- 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: P0645
AC compressor clutch relay - circuit malfunction
- Reference namespace
- obd2
- Source revision
- legacy-2.2.20
Generic OBD2 definition; confirm the protocol and vehicle-specific service information.
Belgee / Geely / Proton: P0645
Air Condition Clutch, Open Circuit
- 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
Dacia / Renault: P0645
Неисправность цепи реле кондиционера Система отопления, вентиляции и кондиционирования воздуха B-010; Высокое напряжение реле компрессора А/С Система отопления, вентиляции и кондиционирования воздуха C-003
- Reference namespace
- renault
- 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: Dacia, Renault.
170 profiles assigned this reference family
- Arkana, Kaptur, Duster II 1.3 TCe [EN]Dacia
- Arkana, Kaptur, Duster II 1.3 TCe [RU]Dacia
- Arkana/XM3 1.6 [EN]Dacia
- Arkana/XM3 1.6 [RU]Dacia
- Austral HybridRenault
- Captur 1.2Renault
- Captur 1.5 dCiRenault
- Captur II (HR16DEg3+PHEV)Renault
- Captur II 2019-/ Kadjar 2019- / Megane IV 2019- / Kangoo II 2019- / Duster II 2019- / Dokker 2019- / Lodgy 2019- / Logan II 2019- / Sandero II 2019- 1.5 dCi K9K 873 + AdBlueDacia · 2019–onward
- Clio 1.2 D4F 740 [EN]Renault
- Clio 1.2 D4F 740 [RU]Renault
- Clio III GT K4M 862Renault
- Clio III RS 2.0Renault
- Clio IV 0.9L H4BRenault
- Clio IV RS 200 EDCRenault
- Clio V 2019- / Captur II 2019- / Megane IV 2019-2024 / Kadjar 2019-2022 / Kangoo II 2019-2021 / Logan II 2019-2022 / Sandero II 2019-2022 / Sandero III 2020- / Duster II 2019- / Lodgy 2019- / Dokker 2019- 1.5 dCi K9K 872Dacia · 2019–onward
- Clio V H5H 1.3LRenault
- Clio-III 1.5 dCiRenault
- Clio-III 1.6Renault
- Clio-III 1.6 K4M 801 ECU S3000 + AT DP0 [EN]Renault
- Clio-III 1.6 K4M 801 ECU S3000 + AT DP0 [RU]Renault
- Dokker K7MRenault
- Dokker K9K 608, 612 [EN]Renault
- Dokker K9K 608, 612 [RU]Renault
146 more related profiles are listed in the vehicle directory.
GAC / Lexus / Toyota: P0645
Air Conditioner Fault
- 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: P0645
Неисправность цепи управления 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