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Service bulletins for the 2021 Volkswagen ID.4

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.

396 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
V9326032083367_12026-10-06. Service bulletin. ELECTRICAL SYSTEM. Steps to take if DTC P0AA500 (DA:008C)
V9324012073298_42026-10-06. Service bulletin. ELECTRICAL SYSTEM. range reduction / battery cell replacement
V9326052081829_22026-09-04. Service bulletin. ELECTRICAL SYSTEM. Diagnosis of low insulation resistance in the High-Voltage (HV) wiring.
VOS-26-422026-08-05. Service bulletin. ELECTRICAL SYSTEM. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: DA 0019 - Hotfix 12-V battery test(s) – No battery diagnosis - Inconclusive test result.
V9326052081829_12026-08-05. Service bulletin. ELECTRICAL SYSTEM. Diagnosis of low insulation resistance in the High-Voltage (HV) wiring.
VOS-26-392026-07-07. Service bulletin. ELECTRICAL SYSTEM. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: reset inspection service test plan not working correctly.
V9326022080102_32026-05-05. Service bulletin. ELECTRICAL SYSTEM. Replace Battery Regulation Control Module Kit -J840- / -SX7- / -SX8-
V9324062074770_32026-05-05. Service bulletin. ELECTRICAL SYSTEM. Important Step when replacing Battery Cell Modules
V9326022080670_12026-04-06. Service bulletin. ELECTRICAL SYSTEM. Flushing H.V. Battery before opening
V9323082071535_62026-04-06. Service bulletin. ELECTRICAL SYSTEM. Determine H.V. Battery Health & Remaining Capacity
VOS-26-152026-04-06. Service bulletin. ELECTRICAL SYSTEM. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct multiple test plans: All basic settings test for the following components - Fill and bleed cooling system issue, N493, J338, Camshaft, V465 etc. Use this test for all the basic setting. You will need to select the component you need to run the basic settings. But there are also stand-alone tests for each of those components.
V9325082080145_22026-02-06. Service bulletin. ELECTRICAL SYSTEM. DTC B203400 Excessive Temperature
VOS-26-012026-02-06. Service bulletin. ELECTRICAL SYSTEM. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct a test that is not reading any information from the battery data module (BDM) and will output:
V9325052080145_12026-01-07. Service bulletin. ELECTRICAL SYSTEM. "Ready” mode cannot be established and High-volt. battery: Risk of fire! Safely park and exit vehicle now. Contact emerg. responders!” stored in Driver Display.
V9324032073520_22026-01-07. Service bulletin. ELECTRICAL SYSTEM. How to perform Component Measurement Process
V9323012069601_32026-01-07. Service bulletin. ELECTRICAL SYSTEM. H.V. Battery Hints, Tips & Suggested Practices
V2715032016076_132026-01-07. Service bulletin. ELECTRICAL SYSTEM. Diagnosis for Excessive Current Draw.
SM 66-20252026-01-07. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
V9324012073298_32025-11-10. Service bulletin. ELECTRICAL SYSTEM. Programming Modification
SM 53-20252025-11-10. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
SM 05-20252025-11-10. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 45-20252025-09-04. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
V5719022055190_62025-07-08. Service bulletin. ELECTRICAL SYSTEM. Remote Key Battery Replacement
V9324062074770_22025-06-03. Service bulletin. ELECTRICAL SYSTEM. Additional build status Information required when Replacing H.V. Battery Cell Modules
V9323042071494_32025-06-03. Service bulletin. ELECTRICAL SYSTEM. Over all summary of HV Battery range

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.