Edmunds dealer partner, Bayway Leasing, is now offering transparent lease deals via these forums. Click here to see the latest vehicles!
Options
2009 Sienna shows MIL but no code; how can I diagnose that?
detective99
Member Posts: 3
My 2009 Sienna has turned on the Malfunction Indicator Light but my OBD-II scanner shows "no codes". How can that be? How can I diagnose the problem?
0
Best Answer
-
Optionsthecardoc3 Member Posts: 5,747The instrument cluster can command the light on if it's communication with the PCM is disrupted, or it could happen if the cluster itself has lost the ability to correctly control the lamp. Scan tool bi-directional controls can be used to command the cluster to turn the light on and off and see if it is capable of controlling it.5
Answers