GM OBD Trouble Code 46
Pass-Key II System Error - Circuit out of Frequency Range
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.
Fault Code Description
- 46 - Pass-Key II system error - circuit out of frequency range
Symptoms
- Engine may not start
Common Problems
- Faulty ignition lock cylinder
Related Questions
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Sometimes the truck cranks but will not start. i wait a few minutes and it starts. took it to a locksmith and they...
How?ignition has been knocked out, no key. no key fob. need to get it started and get it home.