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01-5 Error code

Truck is a Toyota 8FGCU25, code E 01-5

Anyone can help me with this code? CEL came on too. What is this code related too and how can I troubleshoot this?
  • Posted 7 Dec 2018 23:45
  • By michel_d
  • joined 30 Jun'18 - 30 messages
  • Quebec, Canada
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Michel. fault 01-5 is open O2 sensor. Disconnect battery for 5 minutes and retry.I fault persists test O2 sensor. I you require further info to test, contact my profile.
  • Posted 10 Dec 2018 09:41
  • By tom_p
  • joined 21 Feb'11 - 198 messages
  • Alberta, Canada
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Brothers Adolf ("Adi") and Rudolf ("Rudi") Dassler split their shoe company after WWII due to a bitter feud, and established the rival companies of Adidas and Puma. Their personal animosity and business rivalry divided their German hometown Herzogenaurach. The town became known as "the town of bent necks" due to the intense loyalty to each brand.