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Audi · Network Communication / Parking System · Minor code

U13AE on Audi: How to Diagnose & Fix

Active Parking System Control Module - Missing / Faulty Message

1 Audi model · 1 documented issue · 1 critical

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U13AE by Audi model

  • 2021e-tron1
  • FAQ
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U13AE by Audi model

  • 2021e-tron1
  • FAQ

U13AE on Audi by model: symptoms, diagnosis and fix

Link to this issueError Codes:B1A86B1A87U1121U13AEU15ABP31CFP31E7U15ACP1A15U15B5P0CA4

Audi TSB 2061788/2 covers model-year 2021 e-tron quattro and e-tron Sportback vehicles with specified AC/DC charging interruptions, charging-flap operation problems, or an app request for auxiliary heating that does not pre-heat the vehicle when matching DTCs are stored in high-voltage battery charger control module J1050. Audi attributes the documented condition to onboard-charger software and identifies old software level 0070, not a proven failed charger module.

Common Symptoms

  • AC or DC charging is interrupted
  • DC charging does not start or stops at some stations
  • Charging-flap button is inoperative or the flap does not open
  • Auxiliary heating is activated through the app but the vehicle does not pre-heat

How to Fix

Record whether the failure is AC, DC or station-specific and have J1050 scanned before parts. If the vehicle has the matching condition and software level 0070, Audi directs an SVM update to software 0079 or higher. After the update, reproduce the concern and follow the guided test plan for any new active DTC. Do not infer hardware failure merely because one charging mode works, and do not order the former charger, 12-volt battery, relay, meter or portable EVSE from this card.

Owner tips & cautions

  • TipBring the failed station, date and charging mode to the diagnosis and ask for the J1050 software level and full DTC list before authorizing hardware.
Sources for this issue (1)
  • Audi TSB 2061788/2 - Charging Problems with Onboard-Charger Software 0070tsb

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High ConfidenceVerifiedReviewed Jul 2026
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U13AE code reference

General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.

Frequently asked questions

What does U13AE mean on a Audi?

U13AE stands for "Active Parking System Control Module - Missing / Faulty Message." A control module has logged a communication fault relating to the active parking system control module - the expected data from that module is absent or implausible. Audi TSB 2061788 lists DTC U13AE00 ("Active parking system control module") among the codes found in high-voltage battery charger J1050 on 2020-2021 e-tron quattro and e-tron Sportback vehicles running onboard-charger software level 0070, i.e. as one of the spurious cross-module bus codes generated by the outdated charger software rather than a genuine parking-system defect. On Audi it is documented across 1 model: e-tron.

What are the most common causes of U13AE?

The most common causes of U13AE are: Outdated onboard-charger software (level 0070) generating spurious communication DTCs on the e-tron - Audi TSB 2061788, Active parking system control module offline, unpowered, or failed, CAN bus wiring or connector fault to the parking system module, Module replaced without coding or gateway installation-list update, Low system voltage. The specific cause varies by vehicle.

How much does it cost to fix U13AE on a Audi?

Repair costs vary widely with the root cause and Audi model; each issue on this page carries its own estimate where one is published.

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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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