DTC DETECTION LOGIC ■ CAUTION ■

- Before TCM is replaced, the IP characteristics must be extracted, based on the information read out from the malfunctioning TCM. For reading out the IP characteristic data, refer to “CONSULT-III GT-R TCM CONFIGURATION MANUAL”.
- If no IP characteristic data can be extracted TCM and the transmission assembly must be replaced as a set.

DTC | Self-diagnosis name | DTC detection condition | Possible cause
P0604 | Internal control module random access memory (RAM) error | DTC is set if TCM RAM read-write check detects RAM malfunction. | TCM

DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE OPERATION
If another “DTC CONFIRMATION PROCEDURE” is performed just before the next test, turn the ignition switch OFF and wait for 10 seconds or more, then perform the next test.
>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III

1. Turn ignition switch ON, and wait for 10 seconds or more.
2. Check “Self Diagnostic Result” of “TRANSMISSION”.

Without CONSULT-III

1. Turn ignition switch ON, and wait for 10 seconds or more.
2. Check self-diagnosis.

Is DTC P0604 detected?
YES>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>Go to Intermittent Incident.