james_neumann1
Avensis Automatic Transmission Fault
Summary of the thread
A 2005 Toyota Avensis with an automatic transmission fault in the parking position won't start, and the check engine light is on. The gearbox is slipping, and diagnostics indicate an error. A faulty control unit is suspected as the cause, confirmed by a technician, with a suggested solution of replacing the control unit.
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4 comment(s)
james_neumann1 (community.author)
Thanks, those issues sound familiar. Could you elaborate on your Opel Insignia situation? Was the control unit the root cause, and how did you confirm it?
peter_becker1
It happened after 95000km. The garage confirmed the control unit was defective, a common issue, and recommended replacement. My car wouldn't start in Park. I'd recommend a trusted repair shop to diagnose it.
james_neumann1 (community.author)
Thanks for the insights, it confirmed my fears. A technician diagnosed a defective control unit, with an estimated repair cost of 1000€.
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TOYOTA
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AVENSIS
peter_becker1
I had similar issues with my 2012 Opel Insignia: difficulty starting, check engine light, and transmission irregularities. Did you check the transmission sensor or try resetting the control unit?