Tools
- Eye protection and gloves
- Insulated hand tools
- Battery carrier
- Scan tool when registration is required
Replace a serviceable 12-volt battery
Replace only after capacity and charging tests support battery failure and exact registration requirements are known.
45–120 min4 toolselectrical
Parts and supplies
- Exact group size, chemistry, capacity and vent configuration
Before starting
- Battery failure is tested rather than assumed
- Replacement coding, venting and relearns are known
One step at a time
Realistic views show the component and hand action for each step. Exact layout varies by vehicle, so always confirm access in the applicable manual.
STEP 1
Verify the replacement
Match battery chemistry, dimensions, terminal layout, capacity, hold-down and vent requirements.
CheckpointAGM/EFB/flooded type is not being substituted without authorization.
STEP 2
Power down correctly
Follow the exact shutdown and sleep period, preserve required settings and disconnect negative first.
CheckpointThe vehicle cannot wake or auto-start during service.
STEP 3
Exchange and secure
Remove the hold-down, lift safely, clean the tray and install the replacement with its vent and hold-down exactly positioned.
CheckpointThe battery cannot move and no cable is strained.
STEP 4
Reconnect and register
Reconnect in the documented order, torque connections and perform battery registration or resets where required.
CheckpointCharging strategy recognizes the new battery and all safety systems initialize normally.
Post-repair verification
- Normal crank or READY
- Charging-system test passes
- Battery registration and relearns completed