P1605 INFINITI - Automatic Transmission Communication
- Weak battery
- Faulty Transmission Control Module (TCM)
- Harness is open or shorted between TCM and Engine Control Module (ECM)
- Poor circuit electrical connection between TCM and ECM
There is a service bulletin for the 2001 Infiniti I30.
When is the code detected?
Malfunction is detected when an incorrect signal from Transmission control module (TCM) is sent to Engine Control Module (ECM).
- Engine Light ON (or Service Engine Soon Warning Light)
P1605 INFINITI Description
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