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Change Car Battery

Very easy 0h30–0h45 ~50–75£
Estimated time 0h30–0h45
Estimated labour cost ~50–75£
Difficulty Very easy
Vehicles
Passat CC 2008-2012 14
  • 1.4 TSI MultiFuel Bioethanol (E85),Petrol (CKMA)
  • 1.8 TSI Petrol (BZB)
  • 1.8 TSI Petrol (CDAA)
  • 2.0 BlueTDi Diesel (CBAC)
  • 2.0 TDI Diesel (CBAA)
  • 2.0 TDI Diesel (CBAB)
  • 2.0 TDI Diesel (CBBB)
  • 2.0 TDI Diesel (CFFA)
  • 2.0 TDI Diesel (CFFB)
  • 2.0 TDI Diesel (CFGB)
  • 2.0 TSI Petrol (CAWB)
  • 2.0 TSI Petrol (CCZA)
  • 2.0 TSI Petrol (CCZB)
  • R36 Petrol (BWS)
Passat Mk5 1996-2005 43
  • 1.6 Petrol (ADP)
  • 1.6 Petrol (AHL)
  • 1.6 Petrol (ALZ)
  • 1.6 Petrol (ANA)
  • 1.6 Petrol (ARM)
  • 1.8 Petrol (ADR)
  • 1.8 Petrol (APT)
  • 1.8 Petrol (ARG)
  • 1.8 Turbo Petrol (AEB)
  • 1.8 Turbo Petrol (ANB)
  • 1.8 Turbo Petrol (APU)
  • 1.8 Turbo Petrol (AWT)
  • 1.9 TDI Diesel (AFN)
  • 1.9 TDI Diesel (AHH)
  • 1.9 TDI Diesel (AHU)
  • 1.9 TDI Diesel (AJM)
  • 1.9 TDI Diesel (ATJ)
  • 1.9 TDI Diesel (AVB)
  • 1.9 TDI Diesel (AVF)
  • 1.9 TDI Diesel (AVG)
  • 1.9 TDI Diesel (AWX)
  • 2.0 20V Petrol (ALT)
  • 2.0 8V Petrol (AZM)
  • 2.0 Petrol (ASU)
  • 2.0 Petrol (AUZ)
  • 2.0 TDI DPF Diesel (BGW)
  • 2.5 V6 TDI Diesel (AFB)
  • 2.5 V6 TDI Diesel (AKN)
  • 2.5 V6 TDI Diesel (BAU)
  • 2.5 V6 TDI Diesel (BDG)
  • 2.5 V6 TDI Diesel (BDH)
  • 2.8 V6 Petrol (ACK)
  • 2.8 V6 Petrol (AGE)
  • 2.8 V6 Petrol (AHA)
  • 2.8 V6 Petrol (ALG)
  • 2.8 V6 Petrol (AMX)
  • 2.8 V6 Petrol (APR)
  • 2.8 V6 Petrol (AQD)
  • 2.8 V6 Petrol (ATQ)
  • 2.8 V6 Petrol (ATX)
  • 2.8 V6 Petrol (BBG)
  • 4.0 W8 Petrol (BDN)
  • VR5 Petrol (AZX)
Passat Mk6 2005-2011 31
  • 1.4 TSI EcoFuel (CNG) CNG,Petrol (CDGA)
  • 1.4 TSI Petrol (CAXA)
  • 1.6 8V Petrol (BSE)
  • 1.6 FSi Petrol (BLF)
  • 1.6 TDI Diesel (CAYC)
  • 1.8 TSI Petrol (BZB)
  • 1.8 TSI Petrol (CDAA)
  • 1.9 TDI Diesel (BKC)
  • 1.9 TDI Diesel (BXE)
  • 1.9 TDI DPF Diesel (BLS)
  • 2.0 8V TDI DPF Diesel (BMP)
  • 2.0 BlueTDi Diesel (CBAC)
  • 2.0 FSi Petrol (BLR)
  • 2.0 FSi Petrol (BLX)
  • 2.0 FSi Petrol (BVX)
  • 2.0 FSi Petrol (BVY)
  • 2.0 TDI Diesel (BKP)
  • 2.0 TDI Diesel (BMA)
  • 2.0 TDI Diesel (BVE)
  • 2.0 TDI Diesel (BWV)
  • 2.0 TDI Diesel (CBAA)
  • 2.0 TDI Diesel (CBAB)
  • 2.0 TDI Diesel (CBBB)
  • 2.0 TDI Diesel (CBDC)
  • 2.0 TDI DPF Diesel (BMR)
  • 2.0 TDI DPF Diesel (BUZ)
  • 2.0 TFSI Petrol (BWA)
  • 2.0 TSI Petrol (CAWB)
  • 2.0 TSI Petrol (CCZA)
  • 3.2 VR6 FSi Petrol (AXZ)
  • R36 Petrol (BWS)
Passat Mk7 (/-Alltrack) 2011-2015 12
  • 1.4 TSI EcoFuel (CNG) CNG,Petrol (CDGA)
  • 1.4 TSI FlexFuel Bioethanol (E85),Petrol (CKMA)
  • 1.4 TSI Petrol (CAXA)
  • 1.4 TSI Petrol (CTHD)
  • 1.6 TDI DPF Diesel (CAYC)
  • 1.8 TSI Petrol (CDAA)
  • 2.0 TDI DPF Diesel (CFFA)
  • 2.0 TDI DPF Diesel (CFFB)
  • 2.0 TDI DPF Diesel (CFGB)
  • 2.0 TDI DPF Diesel (CFGC)
  • 2.0 TSI Petrol (CCZB)
  • R36 Petrol (BWS)
Passat Mk8 2015-2025 32
  • 1.4 TSI ACT Petrol (CZDA)
  • 1.4 TSI ACT Petrol (CZEA)
  • 1.4 TSI Petrol (CZCA)
  • 1.5 TSI Petrol (DADA)
  • 1.5 TSI Petrol (DPCA)
  • 1.6 TDI Diesel (DCXA)
  • 1.6 TDI Diesel (DCZA)
  • 1.8 TSI Petrol (CJSA)
  • 1.8 TSI Petrol (CJSC)
  • 2.0 TDI Bi-Turbo Diesel (CUAA)
  • 2.0 TDI Diesel (CRLB)
  • 2.0 TDI Diesel (DDAA)
  • 2.0 TDI Diesel (DFCA)
  • 2.0 TDI Diesel (DFEA)
  • 2.0 TDI Diesel (DFGA)
  • 2.0 TDI Diesel (DFGB)
  • 2.0 TDI Diesel (DFHA)
  • 2.0 TDI Diesel (DSRA)
  • 2.0 TDI Diesel (DSRB)
  • 2.0 TDI Diesel (DTRA)
  • 2.0 TDI Diesel (DTSA)
  • 2.0 TDI Diesel (DTSB)
  • 2.0 TDI Diesel (DTUA)
  • 2.0 TSI Petrol (CHHB)
  • 2.0 TSI Petrol (CJXA)
  • 2.0 TSI Petrol (CXDA)
  • 2.0 TSI Petrol (DKZA)
  • 2.0 TSI Petrol (DNFE)
  • 2.0 TSI Petrol (DNNA)
  • 2.0 TSI Petrol (DNUA)
  • GTE (1.4 TSI PHEV) Electricity,Petrol (CUKC+EAJA)
  • GTE (1.4 TSI PHEV) Electricity,Petrol (DGEB+EAJA/EBYA)
Passat MkIII /IV 1988-1997 25
  • 1.6 Kat. Petrol (EZA)
  • 1.6 Kat. Petrol (RF)
  • 1.6 MPi Petrol (AEK)
  • 1.6 MPi Petrol (AFT)
  • 1.6 Petrol (ABN)
  • 1.6 Petrol (EZ)
  • 1.6i Kat. Petrol (1F)
  • 1.8 16V MPI Petrol (KR)
  • 1.8 8V MPI Petrol (PB)
  • 1.8 8V MPI Petrol (PF)
  • 1.8i 8V Petrol (AAM)
  • 1.8i 8V Petrol (ABS)
  • 1.8i 8V Petrol (ADZ)
  • 1.8i 8V Petrol (RK)
  • 1.8i 8V Petrol (RP)
  • 1.9 D Diesel (1Y)
  • 1.9 TD Diesel (AAZ)
  • 1.9 TDI Diesel (1Z)
  • 2.0 16V MPi Petrol (9A)
  • 2.0 16V MPi Petrol (ABF)
  • 2.0 8V MPI Petrol (2E)
  • 2.0 8V MPI Petrol (ADY)
  • 2.0 8V MPI Petrol (AGG)
  • 2.8 VR6 Petrol (AAA)
  • G60 Syncro (1.8 8V MPI) Petrol (PG)

What is the role of the battery in a Volkswagen Passat?

The battery is primarily used to start the engine and to power electrical equipment when the engine is off. When the engine is running, the alternator provides the energy needed by the various electrical systems. During this operating phase, the battery stores electrical energy in chemical form. This energy is released as electrical current when the engine is switched off again.

What are the different types of Volkswagen Passat battery?

There are three main types of lead/acid battery:

  • Open battery: Designed for older vehicles with reduced electrical/electronic equipment and without Stop and Start. Requires regular electrolyte level checks.
  • EFB battery (Enhanced Flooded Battery): An improved open battery with reduced water loss. Suitable for simple Stop and Start systems. Maintenance-free.
  • AGM battery (Absorbent Glass Mat): Sealed battery with excellent charge/discharge and vibration resistance. Suitable for Stop and Start with regenerative braking. Maintenance-free.

When should you change your Volkswagen Passat battery?

The battery is a wear part that should be changed at the first signs of weakness (difficulty starting). The vehicle maintenance plan rarely specifies periodic replacement. Battery life depends on usage conditions, battery type, and vehicle condition. Average life is about 5 years.

How to choose your Volkswagen Passat battery?

For replacement, obtain a battery with the same specifications as the old one: voltage (12V), dimensions, battery type (AGM), storage capacity in Ah, starting current in A, terminal positions. You can fit a battery with slightly higher capacity and starting current. AGM vehicles must use AGM replacements.

How to change your Volkswagen Passat battery without data loss?

To avoid resetting systems and losing vehicle data (radio, clock, settings), use an electronic memory saver (maintains 12V in the electrical circuit while replacing the battery). Connect it to battery cables, accessory socket, or diagnostic socket before disconnecting. Available from €10; prefer a version protected against reversed connections and short circuits.

Is it difficult to change the Volkswagen Passat battery?

Battery replacement presents no particular difficulty unless elements obstruct access (fuse board, engine management ECU). Difficulty level 1/5: technically very easy. The step-by-step method covers: switch off ignition and all consumers, connect memory saver, remove obstructions, disconnect terminals (negative first), remove battery, clean tray and terminals, fit new battery, reconnect (positive first), check systems and reset as needed.

6 models covered

Model Year Range Engines covered Fuel
Passat CC 2008-2012 2008-2012 1.4 TSI MultiFuel Bioethanol (E85),Petrol (CKMA), 1.8 TSI Petrol (BZB), 1.8 TSI Petrol (CDAA), 2.0 BlueTDi Diesel (CBAC), 2.0 TDI Diesel (CBAA), 2.0 TDI Diesel (CBAB), 2.0 TDI Diesel (CBBB), 2.0 TDI Diesel (CFFA), 2.0 TDI Diesel (CFFB), 2.0 TDI Diesel (CFGB), 2.0 TSI Petrol (CAW… Bioethanol (E85), Diesel, Petrol
Passat Mk5 1996-2005 1996-2005 1.6 Petrol (ADP), 1.6 Petrol (AHL), 1.6 Petrol (ALZ), 1.6 Petrol (ANA), 1.6 Petrol (ARM), 1.8 Petrol (ADR), 1.8 Petrol (AFY), 1.8 Petrol (APT), 1.8 Petrol (ARG), 1.8 Petrol (AWM), 1.8 Turbo Petrol (AEB), 1.8 Turbo Petrol (ANB), 1.8 Turbo Petrol (APU), 1.8 Turbo Petrol (ATW), 1.8… Diesel, Petrol
Passat Mk6 2005-2011 2005-2011 1.4 TSI EcoFuel (CNG) CNG,Petrol (CDGA), 1.4 TSI Petrol (CAXA), 1.6 8V Petrol (BSE), 1.6 FSi Petrol (BLF), 1.6 TDI Diesel (CAYC), 1.8 TSI Petrol (BZB), 1.8 TSI Petrol (CDAA), 1.9 TDI Diesel (BKC), 1.9 TDI Diesel (BXE), 1.9 TDI DPF Diesel (BLS), 2.0 8V TDI DPF Diesel (BMP), 2.0 B… CNG, Diesel, Petrol
Passat Mk7 (/-Alltrack) 2011-2015 2011-2015 1.4 TSI EcoFuel (CNG) CNG,Petrol (CDGA), 1.4 TSI FlexFuel Bioethanol (E85),Petrol (CKMA), 1.4 TSI Petrol (CAXA), 1.4 TSI Petrol (CTHD), 1.6 TDI DPF Diesel (CAYC), 1.8 TSI Petrol (CDAA), 2.0 TDI DPF Diesel (CFFA), 2.0 TDI DPF Diesel (CFFB), 2.0 TDI DPF Diesel (CFGB), 2.0 TDI DPF … Bioethanol (E85), CNG, Diesel, Petrol
Passat Mk8 2015-2025 2015-2025 1.4 TSI ACT Petrol (CZDA), 1.4 TSI ACT Petrol (CZEA), 1.4 TSI Petrol (CZCA), 1.5 TSI Petrol (DADA), 1.5 TSI Petrol (DPCA), 1.6 TDI Diesel (DCXA), 1.6 TDI Diesel (DCZA), 1.8 TSI Petrol (CJSA), 1.8 TSI Petrol (CJSC), 2.0 TDI Bi-Turbo Diesel (CUAA), 2.0 TDI Diesel (CRLB), 2.0 TDI D… Diesel, Electricity, Petrol
Passat MkIII /IV 1988-1997 1988-1997 1.6 Kat. Petrol (EZA), 1.6 Kat. Petrol (RF), 1.6 MPi Petrol (AEK), 1.6 MPi Petrol (AFT), 1.6 Petrol (ABN), 1.6 Petrol (EZ), 1.6i Kat. Petrol (1F), 1.8 16V MPI Petrol (KR), 1.8 8V MPI Petrol (PB), 1.8 8V MPI Petrol (PF), 1.8i 8V Petrol (AAM), 1.8i 8V Petrol (ABS), 1.8i 8V Petrol … Diesel, Petrol