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B1421 Diagnostic Trouble Code Discussion for June 2013

Solar sensor circuit passenger side

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Trouble Ticket Help Requests for DTC B1421
Help Request Posted
2004 Toyota Prius 1.5L No Start VIN: JTDKB20U74
B1421: Solar sensor circuit passenger side. ... “ready" mode.Intermittently, more first thing in the morning when it’s cold and wet, it won’t go into ready mode, customers says it won’t start. The customer has noticed that when the problem is there, the square box around the P for park on the dash i...
June 19, 2013