NVG 136 Transfer Case

CIRCUIT DESCRIPTION
The direct battery supply line (circuit 1640) provides the power to the module and motor circuitry.
This Diagnostic Trouble Codes (DTC) detects a intermittent absence of battery voltage at the module when the module sees an ignition on voltage.

CONDITIONS FOR SETTING THE DTC
The transfer case shift control module did not power up 8 out of the last 19 ignition cycles.

ACTION TAKEN WHEN THE DTC SETS
There are no default actions associated with this Diagnostic Trouble Codes (DTC). The SERVICE AWD/4WD lamp will not be latched on.

CONDITIONS FOR CLEARING THE DTC
- Current Diagnostic Trouble Codes (DTC)
The transfer case shift control module will clear the DTC if the condition for setting the DTC no longer exists.
- History DTC
- Once 100 consecutive ignition cycles without a fault present.
- You issue a scan tool CLEAR CODES command.