Question about 2003 Saturn L-Series

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Saturn L300 2002-security light blinks, running lights blink,

Dash security light blinks, running lights blink, inside dash and radio lights blink, doors don't lock sometimes, temp and gas gauge bounce. In the morning it is ok (about 5 AM) after work 6 PM it always acts like this.

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Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Posted on Aug 14, 2009

  • googoonuts68 Aug 31, 2011

    It is the BCM, I have the same car, which I call affectionately, "The Money Pit". The module itself is not all that expensive, but with labor, they are going want between 600 and 700 dollars. Also be prepared to replace the solenoid - another 800.00 job, the fuel line and pump, the pump has a plastic piece on it that rots, the AC condenser, the brakes, which **** no matter how many times you replace them, oh yea, and the car eats tires. Never saw anything like it. My advice, sell it if you can. I have been trying for a while. Good luck to you.

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