Restraints Control Module Version Mismatch (Airbag System May Be Affected)
The TESLA-GTW_W038 (Tesla Gateway (GTW)) EV fault code means: Restraints Control Module Version Mismatch (Airbag System May Be Affected). This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- expert
- Estimated cost
- Diagnosed and quoted by Tesla service; often a software/configuration or gateway SD card fix rather than a parts replacement.
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Common Symptoms
- Service alert from the gateway; per Tesla the restraints control module (RCM) may not function properly
- Possible airbag / SRS warning indicator
- Reference to a corrupted gateway SD card file system in some cases
- Often appears after a software update or module replacement
Probable Causes (Ranked by Likelihood)
- A firmware/version mismatch between the restraints control module and the vehicle software, commonly after an update or module swap Likely
- Corrupted gateway SD card file system Possible
Step-by-Step Diagnostic Procedure
Because this concerns the restraints (airbag / SRS) system, treat it seriously -- a mismatched RCM may not deploy correctly in a crash.
This is typically resolved with a Tesla software/configuration fix or gateway SD card service, not a DIY repair.
Have Tesla service correct the version mismatch promptly; do not ignore an SRS-related alert.
Frequently Asked Questions
What does GTW_w038 mean?
The gateway detected a version mismatch with the restraints control module (RCM), which manages the airbags and seatbelt pretensioners. Per Tesla the RCM may not function properly, so it is a safety-relevant alert often caused by a software mismatch or a corrupted gateway SD card.
Is GTW_w038 safe to ignore?
No. It involves the restraints (airbag) system, which may not work correctly until the mismatch is fixed. Have Tesla service address it promptly.
Sources
This page is built from documented references. Verify against your own service info before repair work.