# Service bulletin TT 87 23 02

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: 10235134
- Published by NHTSA: 2023\-05\-05
- Manufacturer's number: TT 87 23 02
- Manufacturer's date: 2023\-04\-20
- NHTSA component: SERVICE BRAKES, AIR:SUPPLY:COMPRESSOR

## NHTSA's summary

Air Conditioning Compressor Inop. DTC U032A00 may be stored in Control Module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235134-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235134-9999.pdf)

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

## Components

Brakes

## Trouble codes named

U032A

## Vehicles listed

- 2021 VOLKSWAGEN ID.4

## Recalls for the same vehicles and component

- [25V120000](/recalls/nhtsa/25V120000.md), 2025-02-27: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

## Other bulletins for the same vehicles and component

- [V4622022067177\_4](/bulletins/11026177.md), 2025-12-05, Service bulletin: SERVICE BRAKES. Warranty Instruction and guidance
- [V4418012043620\_8](/bulletins/11026174.md), 2025-12-05, Service bulletin: SERVICE BRAKES. Alignment sheet submission.
- [V4521012062957\_5](/bulletins/11018936.md), 2025-06-03, Service bulletin: SERVICE BRAKES. Steps to perform when a customer states and unwarranted Autonomous Emergency Braking \(AEB\).
- [V4622022067177\_3](/bulletins/11016584.md), 2025-04-04, Service bulletin: SERVICE BRAKES. Brake Repair or Replacement Information
- [V4622012066944\_4](/bulletins/11008862.md), 2024-10-09, Service bulletin: SERVICE BRAKES. rattling or knocking noise over bumps or rough roads.
- [VOS\-24\-99](/bulletins/11005835.md), 2024-08-06, Service bulletin: SERVICE BRAKES. This is a notice for software changes with the ODIS diagnostic program to correct the communication for DA 0023 – Brake Booster replacement test / basic setting – Pressure test failure E8 \-ID.4 2021
- [VOS\-24\-84](/bulletins/11002881.md), 2024-07-02, Service bulletin: SERVICE BRAKES. This is a notice for software changes with the ODIS diagnostic program to correct the communication for DA 0023 – Brake Booster replacement test / basic setting – Pressure test failure E8 \-ID.4 2021
- [VOS\-24\-70](/bulletins/11001516.md), 2024-06-11, Service bulletin: SERVICE BRAKES. This communication is a notice for software changes with the ODIS diagnostic program to correct the communication for : DA 0023 – Brake Booster replacement test / basic setting – Pressure test failure E8 – ID.4 2021 USA/CAN\>
- [VOS\-24\-64](/bulletins/11001514.md), 2024-06-11, Service bulletin: SERVICE BRAKES. This communication is a notice for software changes with the ODIS program to correct the DA 0023 Brake Booster Replacement test
- [V461902201517332](/bulletins/10239659.md), 2023-08-04, Service bulletin: EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SERVICE BRAKES. Brake Disc \(rotor\) instruction for resurfacing following Volkswagen Warranty Policy \& Procedure Manual.

JSON: [/v1/bulletins/10235134](/v1/bulletins/10235134)

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