P1771

SAE VAG Description
P1771 18179 Load Signal Stuck Off

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: Requirement for malfunction recognition: No signal of the engine RPM signal or the throttle valve signal is detected, and no load signal for 245 ms. If a malfunction of the load signal is detected by the ECM, this malfunction is communicated to the transmission control module.

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