nicostern1
CT200h Rear Window Heating Failure
Summary of the thread
A 2011 Lexus CT200h is experiencing a rear window heating malfunction, with error memory indicating a fault and degraded windshield heating performance. The suspected cause is a heavily discharged or defective battery. Initial checks of the fuses showed no issues, suggesting a deeper electrical problem. The solution involves professional assessment and repair, focusing on the faulty battery, with an estimated cost of 290€.
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4 comment(s)
nicostern1 (community.author)
Thank you for your suggestion. I have already inspected the relevant fuses; they appear to be intact. Was your issue resolved by replacing a fuse, or did further intervention become necessary?
karenmaier76
Nah, fuses were fine for me too. I'd get it checked out by a shop. They ran some tests and found a deeper problem in the electrical system. Probably best to avoid messing with it yourself.
nicostern1 (community.author)
Understood. I appreciate the confirmation that the problem extends beyond a simple fuse replacement. The vehicle has been assessed, and the repair, costing 290€, will proceed, targeting the faulty battery as the likely cause. Thank you for your input.
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LEXUS
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CT200H
karenmaier76
I have a CT200h and had something similar happen last winter. Did you check the fuses? It might be a simple fix before diving into battery diagnostics.