Lopez crashed the #7 Toyota TS050 HYBRID at Copse Corner after putting a wheel on a wet kerb under braking.
He was able to drive the car back to the pits after it had been hoisted out of the gravel and the car is currently undergoing repairs.
The Toyota Lopez shares with Mike Conway and Kamui Kobayashi was running fourth at the time of the accident having lost time to its rivals with a rear anti-roll bar problem.
Story and photograph Autosport+