Test 10X4

TEST 10X4: CHECK TRANSMISSION CONTROL MODULE POWER SUPPLY
Measure voltage between Transmission Control Module (TCM) connector and chassis ground.
Connector & terminal:
(B54) No. 6 (+) & Chassis ground (-)
(B55) No. 1 (+) & Chassis ground (-)
CHECK: Is the voltage between 10 and 13 Volts?
YES: Replace TCM.
NO: Repair harness/connector between battery, ignition switch and TCM.