HONDA
Honda Accord Hybrid Battery (2005–2018)
Problems, Warning Codes, Repair Options and Prices — Mobile Service in North Dallas
✓ IMA and two-motor Accord Hybrids
✓ Module repair from $700
✓ Diagnostic credited toward the repair
Vehicles › Honda › Accord Hybrid
Quick Answer
Battery: 2005–2007: 144 V NiMH (IMA) · 2014–2017: lithium-ion, about 260 V, 72 cells · 2018: lithium-ion, 259.2 V, 72 cells
Location: Behind the rear seat (2005–2017) · under the rear seat (2018)
Most common codes: See our Honda IMA code guide for 2005–2007; newer models use different codes
Check first: Newer Accord Hybrids may still be under Honda coverage — check with your VIN
Typical fix: Test first, then repair or rebuild
The Accord Hybrid has used two very different systems: the 2005–2007 IMA V6 hybrid with a NiMH pack, and the 2014-and-later two-motor hybrid with a lithium-ion pack (behind the rear seat through 2017, under the rear seat from 2018). Honda did not sell an Accord Hybrid for 2016. We test both before recommending any work.
Accord Hybrid Hybrid Battery by Generation
| Item | 2005–2007 | 2014–2015 · 2017 | 2018 |
|---|---|---|---|
| System | IMA (V6) | Two-motor hybrid | Two-motor hybrid (10th-gen Accord) |
| Chemistry | NiMH | Lithium-ion, 1.3 kWh | Lithium-ion |
| Pack | 144 V | About 260 V — 72 cells | 259.2 V — 72 cells |
| Location | Behind the rear seat | Behind the rear seat | Under the rear seat |
Accord Hybrid: What Owners Should Know
- Three very different Accord Hybrids came before 2019: the 2005–2007 V6 IMA hybrid (144-volt NiMH), the 2014–2017 two-motor hybrid (about 260-volt lithium-ion, 72 cells) and the 2018 10th-generation model (259.2-volt lithium-ion under the rear seat).
- Honda did not sell an Accord Hybrid for 2016.
- The 2005–2007 packs are now very old. Testing shows whether a repair is worth it on these cars.
- On the lithium models, warnings are often caused by other components, so we read the battery data before any repair.
- Check your VIN for open recalls on NHTSA.gov before paying for any hybrid repair.
Common Symptoms
- IMA and check engine lights on
- Assist gauge shows little or no assist
- Charge gauge jumps up and down (“recals”)
- Engine works harder and MPG drops
- Auto-stop stops working
Problems We See Most
Old IMA packs (2005–2007)
These packs are well past their design life. Testing shows if a repair is worth it.
Lithium packs (2014+)
Many warnings come from software or other components. We check before blaming the cells.
Battery fan and vents
Keep the rear-seat vents clear.
Warning Codes on the Accord Hybrid
On the Accord Hybrid, battery-related codes include P0A7F, P1449, P1447 and P1435. Some mean the pack needs work; others point to sensors, the fan or software — see our Honda IMA code guide.
Accord Hybrid Hybrid Battery Prices
| Service | Price (tax and mobile service included) |
|---|---|
| On-site full diagnostic | $150 in our North Dallas service area ($200 elsewhere in DFW) — credited toward the repair |
| Full pack rebuild | Quoted after testing — call for a price |
| Module repair (only weak modules replaced) | From $700 labor + parts |
| External pack charge (car sat too long / pack drained) | From $300 — see hybrid battery charging |
| Pre-purchase hybrid battery inspection | From $200 |
| Full battery replacement | Call for a quote |
Final price is confirmed after testing. Warranty runs from 1 to 3 years depending on the vehicle’s condition and mileage, in writing before work begins. See our full hybrid battery price list.
How DFW Hybrid Battery Handles a Accord Hybrid
We read the Honda codes, test each battery stick or module under load, check the battery fan, the IMA control modules and the 12V system, and show you the results before you choose.
Real Accord Hybrid jobs — coming soon
We publish real repair notes, test data and customer reviews for every model we work on. Had your Accord Hybrid checked by us? Leave a Google review — or see our repair case studies for similar hybrids.
Frequently Asked Questions
Which Accord Hybrid do I have?
Your model year tells us: 2005–2007 is the IMA V6, 2014–2017 is the first two-motor version, and 2018 is the 10th-generation car.
Can you repair a 2005–2007 Accord Hybrid battery?
Often, yes, depending on how many sticks are weak.
Do you work on the newer two-motor Accord Hybrid?
Yes. Call us with your year.
Other Honda hybrids we service: Civic Hybrid · Insight · CR-Z · All Honda models
Related: Prices · All vehicles · Hybrid Error Codes · Battery Charging · Diagnostics · Warranty · Areas We Serve
Accord Hybrid Hybrid Warning?
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