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DTC P1608: Internal Control Module Monitoring Function Self Test

WARNING: This page is about a different variant/trim than selected.

DTC detecting condition: Immediately at fault recognition

Trouble symptom: Improper gear shifting

CHECK DTC .
1. Using the Subaru Select Monitor, perform the clear memory of [Transmission]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
2. Read the DTC of [Transmission] using the Subaru Select Monitor. Ref. to TRANSMISSION (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC P1608 displayed?

Yes: Replace the TCM. Ref. to AUTOMATIC TRANSMISSION>TRANSMISSION CONTROL MODULE (TCM) .

No: Current condition is normal. Check for interference from noise, etc.