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PSS 90 Instrument Cluster: CNG Service Reminder Or CNG Mode Active Message Is Displayed Briefly (GROUP 90, NO. 22-53)

WARNING: This page is about the A4 Quattro Premium, 2.0L Eng VIN A, which is a different variant/trim than selected.
Publication date: 2022-03-22
Reference number: GROUP 90, NO. 22-53
Supersedes refnos: 2066620, 2066620/1

PSS 90 INSTRUMENT CLUSTER: CNG SERVICE REMINDER OR CNG MODE ACTIVE MESSAGE IS DISPLAYED BRIEFLY

PSS 90 INSTRUMENT CLUSTER: CNG SERVICE REMINDER OR CNG MODE ACTIVE MESSAGE IS DISPLAYED BRIEFLY

TECHNICAL SERVICE BULLETIN

Reference Number(s): GROUP 90, NO. 22-53 (2066620/1), Date of Issue:  March 22, 2022
AUDI: e-tron quattro 2019 - 2022; e-tron Sportback quattro 2020 - 2022; A8, A8 e quattro, and S8 2021; A4 allroad, A4, S4, A5, A5 Cabriolet, A5 Sportback, S5, S5 Cabrilolet, S5 Sportback, RS 5, and RS 5 Sportback 2021 - 2022; A6, A6 allroad, S6, RS 6 Avant, A7, A7 e quattro, S7, RS 7, Q5, Q5 e quattro, Q5 Sportback, SQ5. SQ5 Sportback, Q7, SQ7, Q8, SQ8, and RS Q8 2021 - 2022; e-tron GT, and RS e-tron GT 2022
GROUP: 90 - Instruments

SERVICE INFORMATION

90 22 53 2066620/1 March 22, 2022.

APPLICABLE MODELS AND YEARS

Model(s) Year VIN Range Vehicle-Specific Equipment
e-tron quattro 2019 - 2022 All Not Applicable
e-tron Sportback quattro 2020 - 2022
A8, A8 e quattro, and S8 2021 All With Virtual Cockpit
A4 allroad, A4, S4, A5, A5 Cabriolet, A5 Sportback, S5, S5 Cabrilolet, S5 Sportback, RS 5, and RS 5 Sportback 2021 - 2022 All With Virtual Cockpit & Without CNG Engine
A6, A6 allroad, S6, RS 6 Avant, A7, A7 e quattro, S7, RS 7, Q5, Q5 e quattro, Q5 Sportback, SQ5. SQ5 Sportback, Q7, SQ7, Q8, SQ8, and RS Q8 2021 - 2022 All With Virtual cockpit
e-tron GT, and RS e-tron GT 2022 All Not Applicable

CONDITION

Customer states: 

The messages

"CNG inspection

Or

"CNG mode active

Are displayed on the instrument cluster very sporadically, despite the vehicle not having a CNG engine.

The messages disappear after the ignition is cycled off and on again.

Workshop findings: 

TECHNICAL BACKGROUND

Under investigation.

PRODUCTION SOLUTION

Not Applicable.

SERVICE

  1. Explain to the customer that a solution is expected to be available by the end of the 1st quarter of 2023 (subject to change) and that no repairs are necessary at this point. Do not replace any components for this condition since this will not resolve the customer's concern.
  2. Create a PSS record in the PSS application through the Pending Service Solutions (PSS) link in AccessAudi (under Related Links >> Service  ), or through the Technical Assistance page in Elsa.

WARRANTY

This TSB is informational only and not applicable to any Audi Warranty.

ADDITIONAL INFORMATION

All part and service references provided in this TSB (2066620) are subject to change and/or removal. Always check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.

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