Skip the auto shop - Our mechanics make house calls

Q: Anti theft light still blinking while car is running, unable to shift gears.

asked by on

Hello, and good afternoon. When i turn the vehicle on, sometimes the anti theft light will be blinking, and the radio as well as the navigation will cut off. I am also unable to shift gears when that happens. It only recently occurred and usually the occurrences are weeks apart. Is it a Fuse issue ? or something more serious ? Thank you. Ted.

My car has 66000 miles.
My car has an automatic transmission.

You may have a problem with the immobilizer system. I would suggest using a different key to see if the problem is one of the keys having a problem or the vehicle unit having problems recognizing the keys. If only one key is having a problem, then replace the key. Otherwise, the immobilizer will need further inspection to diagnose the cause of the Anti-Theft Light and get your car back on the road again.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Anti theft light still blinking while car is running, unable to shift gears.

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car won't continue running - 2007 Dodge Nitro

This may suggest you have a grounding problem somewhere or potentially a failing voltage regulator. This is a unit that regulates the charging of the battery by the alternator. Often times, this will result in the alternator allowing too much...

Q: Alarm or horn won't stop blowing .

You have had a failure in the anti theft system and would need to have the system scanned for codes to see if a component has failed in the system or the theft module has failed. The module is most...

Q: Leaking liquid

Engine coolant can leak externally through a hose, radiator, water pump, etc. or internally due to a leaking head gasket and sometimes a leaking intake manifold gasket depending on the engine design. External leaks are typically found by simple pressure...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.