TEST ACTION APPLICABILITY
2 Has the battery been disconnected, lost it’s charge, or been replaced recently? All
Yes → Disconnecting or replacing the battery will set this DTC. Erase
the DTC.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
No → Go To 3
3 Has a Quick Learn procedure been performed? All
Yes → Performing Quick Learn will set this DTC. Erase the DTC.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
No → Go To 4
4 Has the PCM been replaced or disconnected? All
Yes → Replacing or disconnecting the PCM will set this DTC. Erase the
DTC.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
No → Go To 5
5 Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Note: Check connectors - Clean/repair as necessary.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Using a 12-volt test light connected to ground, check the Fused B+ circuit.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes → Go To 6
No → Repair the Fused B+ circuit for an open. If the fuse is open make
sure to check for a short to ground.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
149
TRANSMISSION - NGC
P1684-BATTERY WAS DISCONNECTED — Continued
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