2022.10.7
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TRSM0940 Removal and Installation | Transmission Electronic Control Unit (TECU)
TECU Installation
Caution: Battery negative must remain disconnected until
the TECU 38-Way connectors are installed.
Caution: Do not allow contamination into the TECU or con-
nectors.
1. Position the Transmission Controller on the locating
studs.
2. Place the Transmission Controller Retaining Bracket
over the TECU.
3. Using a 7/16” socket, install the 3 Transmission Con-
troller mounting nuts and tighten to 7–9 lb-ft (9.5–12.2
N•m).
4. Reconnect the following connectors:
Caution: Do not exceed the torque on the Transmission
Harness or Vehicle Harness Connector or bolt failure
will occur.
• Using a 5/32” wrench, reconnect the Transmission
Harness 38-way Connector and tighten to 25 +/- 3
lb-in (2.82 +/- 0.33 N•m).
• Using a 5/32” wrench, reconnect the Vehicle Inter-
face 38-way Connector and tighten to 25 +/- 3 lb-in
(2.82 +/- 0.33 N•m).
• Reconnect the negative battery cable.
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