GMC Acadia fuel pump control module replaced and car was driving well on GMC Acadia

Submitted by Vehicle Owner · Aug 25, 2025
Published by RepairPal

Problem overview

Some GMC Acadia owners report experiencing issues related to the fuel pump control module, such as engine stalling and poor performance, which can indicate a failing module. These problems are often linked to the P12A6 code, associated with the Fuel Pump Driver Control Module Enable Circuit Performance, crucial for maintaining the correct fuel pressure. Prompt diagnosis and repair of these issues are essential to prevent more serious complications. However, many owners find that after replacing the fuel pump control module, their vehicles drive well, suggesting a successful resolution of the underlying problems and an improvement in overall performance.

3 people reported this problem
2 comments
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GMC Acadia vehicles with this problem

1 model year affected
Average mileage: 18,161 miles
(1,800 - 34,523)

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