B0042 — Rear impact sensor (left)

Body (airbag, seat, lights)

Rear impact sensor (left)

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Can I drive with B0042?

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

Frequently asked questions

What does fault code B0042 mean?

B0042 means Rear impact sensor (left).

Can I keep driving with B0042?

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

Related fault codes

• B0040 — Side impact sensor (left)
• B0041 — Side impact sensor (right)
• B0043 — Rear impact sensor (right)
• B0044 — Rear impact sensor (center)
• B0045 — Rollover sensor (roll rate)
• B0046 — Rollover sensor (inclination)
• B0047 — Rollover sensor (yaw rate)
• B0048 — Airbag indicator lamp
• B0049 — Airbag system malfunction

Get a full diagnosis for B0042 with AutoUncover.