Audi A3 e-tron P0E5E-00 fault code: causes, symptoms and the solution

The A3 e-tron is a great example of how owners can ease into hybrid and electric vehicles. Pairing a 1.4-TFSI petrol engine with an electric motor delivers great fuel economy and 15-30 miles of purely electric range. All finished in the premium packaging of Audi’s mid-sized hatchback. But, they’re not infallible, and have been known to suffer issues related to the car’s onboard charger. We’re seeing and hearing reports of a common problem: cars flagging a P0E5E-00 fault code. The description “Battery charger control module processor performance” points to failures related to the OBC.

What is a P0E5E-00 fault code?

The fault relates to the Battery charger control module, a control unit within the onboard charger. The Onboard charger itself is responsible for the charging of the car’s high-voltage battery pack. Most commonly, the P0E5E-00 fault is caused by faults deep within the OBC.

What cars are affected by the P0E5E-00 fault?

Whilst this article focuses on the A3 e-tron, the VW Golf GTE also uses the same unit. Audi A3 e-Tron 8V Volkswagen Golf GTE MK7

What are the symptoms of the P0E5E-00? fault code

The symptoms below can be linked to P0E5E-00:

Illuminated engine malfunction light (Check Engine Light)
Problems while charging the car
Red charging indicator during charging.

We’ve also heard reports that the fault occurs after a software update or recall that leads to the OBC not functioning correctly.

What’s the solution?

With most of these cars outside of manufacturers' warranties, replacing the entire OBC is often an unwanted, costly expense. ACTRONICS offers a full remanufacturing solution for various onboard chargers include the 5QE.682AA unit fitted in the A3 e-tron and Golf GTE.

The benefits of remanufacturing

Cost-saving compared to replacement
Retention of the original module
More sustainable solution than replacement
2-year warranty on the refurbishment

Working on an A3 e-tron or Golf GTE with a P0E5E-00 fault? Then it’s important to address the fault with caution. In most cases, the diagnosis ultimately points to OBC failure. If that’s the case, reach out to us at ACTRONICS so we can supply a cost-effective solution to a costly problem.