Used Battery Control Module
Request a VIN-matched quote for a used Battery Control Module. Availability, condition, warranty, and shipping are confirmed for your exact vehicle before purchase.
- ✔ Used-part options
- ✔ Add your VIN for fitment review
- ✔ Review warranty terms in the quote
- ✔ Confirm payment method before purchase
Part Details
Your quote request is reviewed against your vehicle details. Before buying, ask for the condition description, mileage when relevant, warranty terms, shipping cost, and final price so you can compare the available options.
Quote status: Live stock and public prices are not displayed. Request a vehicle-specific quote to review the available option and its final terms.
Compatibility: Multiple makes & models
Condition & Quality Standards
Condition grading and inspection practices vary by part and source. Before purchase, request the available condition description, mileage information when relevant, photos, and any inspection or test notes.
About This Battery Control Module
A used battery control module - on most cars the intelligent battery sensor, or IBS - is the small unit clamped to the negative battery terminal that lets the car manage charging instead of running a fixed alternator output. It measures current through a shunt and reads the battery's voltage and temperature, works out state of charge and state of health, and reports that over the LIN bus to the module handling energy management. Start-stop depends on it. One thing to settle first: on many vehicles the sensor is supplied as part of the negative battery cable, so what you need may be a cable-and-sensor assembly rather than a bare module. If you came here looking for the high-voltage battery management system in a hybrid or EV traction pack, that is a different part - send the VIN, describe the fault, and we will quote the right one.
Want the full picture before you buy? Read our hybrid and EV parts buying guide.
Before you order, it helps to read:
Common Signs Your Battery Control Module May Need Replacing
- Start-stop that has stopped working, or reports itself unavailable
- A charging-system or battery warning message
- Charging voltage that wanders, or a battery that never reaches full charge
- Comfort features shed - heated seats, heated steering, audio - to save power
- A battery-sensor or charging-system trouble code
- Corrosion, cracking or water damage visible at the terminal sensor
Symptoms vary by vehicle and driving conditions. Always confirm diagnosis before replacement.
What to Check When Buying a Used Battery Control Module
- Test the battery, terminals and grounds first - all three imitate a failed sensor
- Decide what you are quoting: bare sensor, or the negative cable assembly
- Match the exact part number, connector and cable length for your build
- Ask whether your vehicle needs the battery registered or coded after the work
- Make sure the registered battery type matches what is fitted - AGM, EFB or flooded
- Check nothing has been earthed straight to the negative post, bypassing the sensor
Ask for these details and any available photos before approving a purchase.
What Happens After You Request a Quote
- We review your vehicle and part request
- Provide your VIN or full vehicle details for fitment review
- Review the available condition, warranty, shipping, and price details
- You decide — no obligation to buy
Response time depends on the part, vehicle information supplied, and current sourcing options.
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Availability & Quote Details
- Live stock and public pricing are not displayed for this Battery Control Module
- Available condition, fitment, warranty, shipping, and final pricing are confirmed only after we review your request
- Ask for warranty and return terms in writing before you buy
- Shipping options are confirmed for the destination and part size
Check Current Availability
We do not display unverified stock records. Send your VIN or year, make, model, and original part number so a specialist can confirm exact fitment and the options currently available.
How Pricing Is Determined
Pricing for used battery control module depends on several factors:
- Vehicle year, make, model, and engine configuration
- Mileage and overall condition of the donor vehicle
- Supplier location and shipping distance
- Warranty coverage offered
Two things decide a used battery control module quote. First, scope: on plenty of vehicles the sensor is only sold as part of the negative battery cable, so establish whether you need a bare sensor or the whole assembly. Second, the part number, which has to match your build down to the connector and cable length, not just year and model. Then budget for the registration or coding step if your vehicle uses one, and for diagnosis - a tired battery, a loose terminal or a corroded ground gives the same symptoms. Send the VIN and stored codes. We do not display prices. Request a quote and review the written terms first.
Confirm the final price and fitment basis before approving a purchase.
Frequently Asked Questions
Does the battery need registering or coding afterwards?
Ask before you order, because manufacturers split two ways. Some use self-learning systems that work the new battery out over a few driving cycles; others expect it registered with a diagnostic tool, sometimes with a battery-specific code. Skip a required registration, or enter the wrong figures, and restricted or failed start-stop is the usual result. It is a workshop job - agree who does it before ordering.
Does it matter whether the battery is AGM, EFB or flooded?
Yes, and it is the detail most often got wrong. Charging strategy differs by battery technology - AGM is sensitive to overcharging - so AGM should be replaced with AGM, and EFB with EFB or, in some cases, AGM. Industry guidance is like-for-like or better-for-like, never downsized. The type registered in the vehicle then has to match what is actually fitted.
Will start-stop definitely work again after this is replaced?
Only if the sensor was the cause, and often it is not. The system also disables itself when battery charge is low, when the wrong battery technology is fitted, in very hot or cold weather, when cabin fan demand is high, when the engine is not at temperature, and for reasons as plain as a door not properly shut. Expect a settling period too - start-stop can stay off until the system relearns.
How do I know it is the sensor and not the battery?
Often you cannot from the dash alone, which is why a test comes before a purchase. A loose or corroded terminal, a poor ground, moisture around the sensor, or a battery near the end of its life all produce the same warnings. A workshop can test the battery and read state of charge and health with a scan tool. Get that done first.
Is there a recall on the battery sensor for a 2013-2016 Honda Accord?
Yes, and it is worth checking your VIN before you buy anything. NHTSA recall 17V-418 covers roughly 1.15 million 2013-2016 Accords because the case for the battery sensor, part of the battery management system, may let water in and cause an electrical short, which the recall records as a fire risk. The remedy is a free dealer replacement of the sensor, with adhesive applied to the case as an interim fix.
My charging light is on with code P154A - does that confirm the battery sensor?
That code names the sensor directly. Honda service bulletin 16-026 lists the Charging System indicator on with DTC P154A as a battery sensor internal failure on 2013-14 Accord and 2015 Fit, plus certain 2015 Accord, 2016 Fit and 2016 HR-V builds, and its corrective action is to replace the battery sensor. A stored code that names the part beats a warning lamp alone, so get the codes pulled before ordering.
Can I use a battery sensor from another model of the same make and year?
Usually not. In the same Honda bulletin, covering one fault and one code across several cars, the Fit and HR-V take sensor 38920-T5A-A02 while the Accord takes 38920-T2A-A03 - same brand, overlapping years, different part number. The bulletin even gives the two cars different test steps. Send the VIN and a photo of the sensor on your negative terminal with your quote request.
After a used battery sensor is fitted, is there a scan-tool step or not?
It varies by platform, so settle it before the car is on the lift. Honda's published procedure for replacing its battery sensor is a mechanical swap with no reset step. Ford's scan tool instead carries a Reset Battery Monitor Sensor Learned Values application, and a Ford bulletin has technicians verify the battery is at 50 percent state of charge or higher, charging it first if not, before running it.
How is compatibility verified?
Provide your VIN or full vehicle details so you can review the fitment basis in your quote before approving a purchase.
What if the part does not fit?
Most suppliers offer limited return or exchange options. Warranty and return terms are confirmed before purchase.
How long does shipping take?
Shipping time varies by location, part size, and freight arrangement. Confirm the dispatch and delivery estimate in your quote.
