Lexus TSB #JLE-Dealer Packe
2018 Lexus LS 500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- Dealer Packet: The engine ECU (electronic control unit) in the subject vehicles has improper programming which, under certain operating conditions, may result in improper emissions control for a short period following a cold start and can lead to the illumination of the malfunction indicator lamp. This issue does not affect other engine operating conditions. NOTE: This condition will set Diagnostic Trouble Code P050B.
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