Cadillac P1400: Cold Start Emission Reduction Control System

What Does The Cadillac P1400 Code Mean?

This code indicates that the actual exhaust energy model does not match the expected exhaust energy model.

Conditions for setting the DTC:

• DTCs P0016, P0069, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0171, P0172, P0174, P0175, P0207, P0208, P0220, P0222, P0223, P0201, P0202, P0203, P0204, P0205, P0206, P0300, P0308, P0335, P0336, P0351-P0358, P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, P0641, P0651, P1101, P1516, P1682, P2101, P2119, P2120, P2122, P2123, P2125, P2127, P2128, P2135, P2138, P2176 are not set.
• The engine is running, and a cold start has been detected.
• Vehicle speed is less than 2 km/h (1 mph).
• The engine is at idle with no input from the accelerator pedal for greater than 5 s.
• This DTC runs for 15 s within the first 2 min of start-up.
• This diagnostic runs once per trip when a cold start has been determined.

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> HOWYAA HVE72A Electronic Fuel Injection Throttle Body Assembly for 07-11 Cadillac
>>> FRAM Extra Guard CA8755A Replacement Engine Air Filter
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Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Cadillac P1400, DTCDECODE.