Cadillac P1503: Theft Deterrent System Password Incorrect
Is your scanner showing Cadillac P1503?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1503: Theft Deterrent System Password Incorrect
OVERVIEWWhat Does The Cadillac P1503 Code Mean?
Engine cranking; and the PCM detected a frequency code that did not match the code it received from the theft deterrent module.
What Are The Potential Causes Of The Cadillac P1503 Code?
The wrong ignition key, the use of a key without a transponder, or an incorrectly programmed theft deterrent module will cause this code to set in the theft deterrent module. Perform the Diagnostic System Check for the theft deterrent system.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> ACDelco GM Original Equipment 13504287 Theft Deterrent Module
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
