2018 Ford C-Max Hybrid Battery Replacement

Codes that show up on the Ford C-Max Hybrid

If a scanner has given you a code, start here. None of them is an instruction to buy a battery — each page says what the code means, what else causes it, and what a proper diagnosis checks.

• P0A7DP0A7D reports that the pack's state of charge has fallen under the threshold the control system needs. The important part is what it does not say: it does not say the pack is worn out. A healthy pack on a car that sat for two months sets this code, and so does a pack genuinely at the end of its life. The difference is whether it recovers once the car is driven and charged normally again.
• P0A1FP0A1F is the generic OBD-II code for Battery Energy Control Module "A" Performance. On Ford hybrids it is set when the module managing the high-voltage pack decides the pack is not behaving within its expected parameters, and the module can disable the pack as a result. Ford Escape Hybrid owners frequently report it with a sub-code and alongside cooling complaints, which is a strong hint about where to look before ordering a battery.
• P0A81P0A81 is defined as Hybrid Battery Pack Cooling Fan 1 Control Circuit / Open. The control module commanded the cooling fan and did not get the response it expected. This is not a battery failure code — the pack may be perfectly healthy today. It is, however, the fastest way to create a battery failure code, because a pack that cannot shed heat ages quickly. In Phoenix that timeline is shorter than the code's low urgency suggests.

Having this done in the Phoenix metro

• Ford hybrid battery repair in Phoenix — what the job involves on this make.
• hybrid battery replacement in Phoenix — the price installed, what we do to the old pack, and how long it takes.
• hybrid battery diagnostic — before anyone quotes you a pack, someone should prove you need one.
• hybrid batteries shipped nationwide — outside Arizona, your own shop fits it.