U2029 — FlexRay — synchronization loss

Network (CAN bus, communication)

FlexRay — synchronization loss

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Can I drive with U2029?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code U2029 mean?

U2029 means FlexRay — synchronization loss.

Can I keep driving with U2029?

You can usually drive home and book an inspection within a few days.

Related fault codes

• U2020 — LIN bus 2 circuit short to battery
• U2021 — LIN bus 2 circuit short to ground
• U2022 — LIN bus 2 circuit open
• U2023 — FlexRay communication error
• U2024 — FlexRay performance
• U2025 — FlexRay circuit short to battery
• U2026 — FlexRay circuit short to ground
• U2027 — FlexRay circuit open
• U2028 — FlexRay — startup error

Get a full diagnosis for U2029 with AutoUncover.