Acura TSX Battery Location
Find where the battery is located on your Acura TSX. Covers all model years with jump start points and replacement tips.
Last updated: 2026-05-07 • Reading time: 8 min • By AllOEMManuals Editorial Team
Quick Answer
The Acura TSX battery is located in the engine bay on most models. Some years may have the battery in the trunk or under the rear seat — see the year-by-year breakdown below.
| Generation | Years | Top spec |
|---|---|---|
| 2009-2014 | 2009-2014 | Engine bay |
| 2004-2008 | 2004-2008 | Engine bay |
Know the exact battery location job for your Acura TSX
The Acura TSX battery is located in the engine bay on most models. Some years may have the battery in the trunk or under the rear seat — see the year-by-year breakdown below.
Battery access can move between the engine bay, cargo floor, cowl, or under-seat trays depending on hybrid hardware and trim. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.
Exact Vehicle Check
Use the archive navigator when you need the exact engine, trim, or production-branch manual instead of a broad year-range summary. That keeps the buying list and repair steps aligned with the real vehicle.
2009-2014
Representative 2009 manual branch for 2009-2014
Advanced Diagnostics
MDX V6-3.7L
Advanced Diagnostics — 2009 Acura MDX V6-3.7L Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >> 2009 >> MDX V6-3.7L >> Repair and Diagnosis >>...
Open factory section →Advanced Diagnostics
RDX L4-2.3L Turbo
Advanced Diagnostics — 2009 Acura RDX L4-2.3L Turbo Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >> 2009 >> RDX L4-2.3L Turbo >> Repair and D...
Open factory section →2004-2008
Representative 2004 manual branch for 2004-2008
Check Your ED-18 for Software Version 193-570H (B07060B)
MDX Base
Check Your ED-18 for Software Version 193-570H (B07060B) — 2004 Acura MDX Base Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >> 2004 >> MDX Ba...
Open factory section →Description and Operation
3.5RL V6-3474cc 3.5L
Main Relay (Computer/Fuel System): Description and Operation — 2004 Acura 3.5RL V6-3474cc 3.5L Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Acura >...
Open factory section →2009-2014
2009-2014- →Disconnect the negative terminal first when removing, reconnect it last when installing
- →Clean battery terminals with a wire brush and apply dielectric grease to prevent corrosion
2004-2008
2004-2008- →Disconnect the negative terminal first when removing, reconnect it last when installing
- →Clean battery terminals with a wire brush and apply dielectric grease to prevent corrosion
One-Trip Shopping List
Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.
Replacement Battery
Match your Group Size (e.g. H6, 35) and CCA rating.
Terminal Cleaner
Removes corrosion for a reliable electrical connection.
Memory Saver
Keeps your car settings while the battery is disconnected.
Battery Carrier
Makes lifting heavy batteries much safer and easier.
Battery Charger
Helpful for revive-and-test jobs before you replace a weak battery.
Terminal Spray
Protects battery posts from future corrosion.
Project Essentials
Basic tool sets, gloves, and cleaning supplies for your Acura TSX so the job is ready when the parts arrive.
Frequently Asked Questions
- Where is the battery on a Acura TSX?
- On most Acura TSX models, the battery is in the engine bay. Some European-influenced designs and certain model years place it in the trunk or under the rear seat for better weight distribution. Check your specific year below.
- What size battery does a Acura TSX need?
- The Acura TSX battery group size varies by engine and model year — check your owner's manual or the label on your current battery. CCA requirements range from 500-700. Vehicles with start-stop systems require an AGM battery.
- How long does a Acura TSX battery last?
- A Acura TSX battery typically lasts 3-5 years. In hot climates like Texas and the Southwest, expect closer to 3 years. AGM batteries in start-stop equipped models may last 4-6 years.
- Can I replace the Acura TSX battery myself?
- Yes, battery replacement is a straightforward DIY job on most Acura TSX models. You'll need a 10mm wrench for the terminals and possibly a 12mm or 13mm for the hold-down bracket. Some newer models may need a battery registration scan with an OBD2 tool.
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Author & Review
Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.
This guide was drafted with AI assistance and reviewed for accuracy by a human editor.
Last updated: 2026-05-07