Question about 2001 Plymouth Neon
When i turn the key on &off three times i get these codes
i have changed the plugs & wires and the coil the spark plug go to on top of the valve cover but light still comes on and it still runs rough
P1685 Skim Invalid Key.
The Sentry Key Immobilizer Module contains a Radio Frequency (RF) transceiver and a microprocessor. The SKIM transmits RF signals to, and receives RF signals from the Sentry Key transponder through a tuned antenna ring integral to the SKIM housing. When the ignition switch is turned to the On position, the SKIM transmits an RF signal to the transponder in the ignition key. The SKIM then waits for an RF signal response from the transponder. If the response received identifies the key as valid, the SKIM sends a valid key message to the PCM over the PCI data bus. If the response received identifies the key as invalid, or if no response is received from the key transponder, the SKIM sends an invalid key message to the PCM. The PCM will enable or disable engine operation based upon the status of the SKIM messages.
you can look it up here:
Posted on Sep 13, 2009
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Posted on Jan 02, 2017
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