# Service bulletin A3423652070167\_2

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10245620
- Published by NHTSA: 2023\-12\-06
- Manufacturer's number: A3423652070167\_2
- Manufacturer's date: 2023\-11\-16
- NHTSA component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

## NHTSA's summary

This bulletin provides information for when the cooling oil valve fails basic settings after repair; DTC P1A5B00.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245620-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245620-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Cooling system

## Trouble codes named

P1A5B

## Vehicles listed

- 2017 to 2021 AUDI A4
- 2020 to 2021 AUDI A4 ALLROAD
- 2018 to 2021 AUDI A5
- 2018 to 2021 AUDI A5 CABRIOLET
- 2016 to 2020 AUDI A6
- 2019 to 2021 AUDI A7
- 2018 to 2021 AUDI Q5
- 2020 to 2021 AUDI Q5 PHEV

## Other bulletins for the same vehicles and component

- [A2024672073032\_1](/bulletins/10251622.md), 2024-04-04, Service bulletin: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This bulletin provides information for when the MIL is on, DTC P148D00 and P044200; leak diagnostic pump.
- [DC\_Closure 19N8](/bulletins/10249238.md), 2024-02-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. SERV\_ACT \- After\-Run Coolant Pump \- Closure Notice
- [AVIN4PIN20231201](/bulletins/10247144.md), 2024-01-04, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; SEAT BELTS; STRUCTURE:BODY:DOOR; SUSPENSION. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Fuel pressure low. DTC P008700 Front window inoperative Air suspension warning \- DTC P089200 charge handle doesn't release vehicle will not charge noise from belt tensioner damper Wheel speed sensor DTC C101AF1;C101BF1;C101CF1;C101DF1
- [A1923452070349\_2](/bulletins/10245526.md), 2023-12-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when there is a loss of coolant from the coolant pump \- V6 TFSI.
- [AVin4Pin20230901](/bulletins/10242978.md), 2023-10-05, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is on, DTC \(s\) P010600, P023600, P023700, P023800 Leak from oil pan USB Trim detached from center console 3.0L engine sound generator malfunctioning Valve cover leaking oil Fuel pressure low. DTC P008700 Check engine lamp, Belt Starter Generator DTC U046900 symptom 26950 "Check engine lamp on, DTC P042000: Catalyst System,Bank1 Efficiency Below"
- [A1923442071515\_1](/bulletins/10242918.md), 2023-10-05, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when there is a coolant leak on a 2.0L engine.
- [A1923392070349\_1](/bulletins/10236572.md), 2023-06-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin advises that a small amount of coolant loss is normal. Otherwise, clean and visually inspect the coolant system in the presence of a small leak to verify if a repair is needed, and then to repair a component if it is verified to have been leaking actively.
- [AVIN4PIN20230510](/bulletins/10236372.md), 2023-06-06, Service bulletin: EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:COOLING SYSTEM; STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING. Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. Check engine lamp is on, DTC \(s\) P010600, P023600, P023700, P023800 Belt noise from starter generator Leak from oil pan USB Trim detached from center console Airbag light on: DTC B100A1B or B100B1B 3.0L engine water pump leaking 3.0L engine sound generator malfunctioning
- [AVIN4PIN20230501](/bulletins/10236358.md), 2023-06-06, Service bulletin: STRUCTURE:BODY:DOOR; ENGINE AND ENGINE COOLING:COOLING SYSTEM. Noise from front door trim panel while driving Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. Check engine lamp is on, DTC \(s\) P010600, P023600, P023700, P023800 Belt noise from starter generator Leak from oil pan Coolant resevoir cap damaged internally USB Trim detached from center console Airbag light on: DTC B100A1B or B100B1B 3.0L engine water pump leaking 3.0L engine sound generator malfunctioning
- [AVIN4PIN20221222](/bulletins/10228840.md), 2023-01-06, Service bulletin: ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM. 2022 Q3 PDC sensor connector loose at rear bumper 2022 A6 PDC sensor connector loose at front or rear bumper 2021\-2022 A5Noise from front door trim panel while driving 2022 Q5 ACC warning is displayed, DTC C110300 Sensor misadjusted in DA 0013 2021\-2022 e\-tron quattro, e\-tron SB Noise from front door trim panel while driving 2020\-2021 Q3 Low coolant warning in cluster, coolant level is correct 2021\-2022 Q7, Q8 Check engine lamp is illuminated and DTC P05A000: Active Grille Air Shutter "A" Stuck is stored in the ECM. 2022 Q3 Check engine lamp is on, DTC \(s\) P010600, P023600, P023700, P023800 2020\-2022 A5Rear PDC mount comes loose from rear bumper No new topics for December 2022

JSON: [/v1/bulletins/10245620](/v1/bulletins/10245620)

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