Code P18B5 Possible Causes
Faulty Transmission Internal Mode Switch
Transmission Internal Mode Switch circuit poor electrical connection
Transmission Internal Mode Switch harness is open or shorted
Faulty Transmission Control Module TCM
Code P18B5 Possible Causes
Faulty Transmission Internal Mode Switch
Transmission Internal Mode Switch circuit poor electrical connection
Transmission Internal Mode Switch harness is open or shorted
Faulty Transmission Control Module TCM