Checking wires to Transmission Control Module (TCM)
WARNING: This page is about a different variant/trim than selected.
- Connect test box to control module wiring harness. Refer to Test box, connecting for wiring test
- Check wires between test box and 2-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
Terminal 1+socket 66
Terminal 2+socket 21
Wire resistance: max. 1.5 Ω
- Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: ∞ Ω
If no malfunctions are found in wires:
- Replace Transmission Vehicle Speed Sensor (VSS) -G38-:
Refer to 38 AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS
- Erase DTC memory of Transmission Control Module (TCM). Refer to Diagnostic mode 4: Reset/erase diagnostic data
- Generate readiness code. Refer to Readiness code, generating