GM Code 46 VATS System Fault
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GM Code 46
CODE 46- VATS System Fault
The ECM receives a signal from the Pass-Key module. When the correct signal is received, the ECM will allow the engine to start and run. Please review the RepairPal article on the GM Pass-Key Anti-theft systems for more information.
Symptoms
- Engine may not start
Common Causes
- Faulty ignition lock cylinder
