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30/12/2020 11:11 am
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Hi, I have a problem with my nissan altima 2011 sedan with the code P0603. The car can turn on and it shakes a little bit and when I drove it for a little bit it kind of freaks out. I put in a new battery and spark plug but the code dosen't change. The wires and connections look fine.
I was wondering if anyone knows how to solve this problem. Thank you.
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30/12/2020 12:26 pm
The P0603 code indicates that your Powertrain Control Module (PCM) has failed its own Keep Alive Memory (KAM) self-test. The PCM is a computer in your car that controls a variety of essential systems, such as the ignition, engine timing, fuel/air mixture, transmission, and anti-lock breaks
What repairs can fix the P0604 code?
- Repairing or retightening the battery terminals.
- Repairing or cleaning the various body and main engine grounds.
- Replacing associated fuses.
- Repairing damaged wiring to and from the ECM.
- Replacing the ECM.
Thanks @dion
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