P1784

SAE VAG Description
P1784 18192 Shift up/down Wire Open/Short to Ground

J220 - Motronic Engine Control Module (ECM)
- Engine Control Module (ECM) replacing Service and Repair
- MFI control module voltage supply checking Motronic Engine Control Module (ECM) Voltage Supply, Checking
- Electrical testing Transmission 01V Electrical Testing
- Read Measuring Value Block (scan tool function 08) Scan Tool Testing

Note: Check wires and harness connectors according to wiring diagram. Read DTC memory of ECM and repair malfunctions. Check and if necessary replace ECM.

Note: This malfunction can only occur in vehicles without CAN-bus.