P1400 code on my 2007 chevy Colorado 3.7 liter

2007 Chevy Colorado 2.9 liter

Pt 1 2007 Chevy 2500HD Reduced Engine Power Warning Fault Code P1516... You need to take to a good repair shop that fix's this problem !

Problems with the intake manifold, a vacuum leak in the exhaust and proper gas recirculation can produce these codes. p1400 codes,

i put a cam valve on my 2007 colorado 2.9 part number 12615873 @ the chevy dealer $ 61 today

P1400 - Heated Catalyst Battery Voltage or Current too Low During Heating (Bank 1)

BEFORE ANY THING. CK YOUR CABLES TO THE PCM. TAKE THEM OUT AND PUT THEM BACK IN. ALSO, MAKE SURE MASS AIR FLOW CONNECTIONS ARE TIGHT.

Check for a restricted air cleaner, vacuum leaks, intake manifold leaks, exhaust leaks, to name a few things.

Go to Auto Zone ask the technician to run a computer scan and print out the results and the computer will tell you the meanings of the trouble codes.

This is not hard but tricky because the trim plate around the radio has clips that hold the trim plate very tight.Use a plastic type flat tool or flat screw driver wraped with tape or a shop rag to avoid damage to the plastic trim and pry the trim panel around the radio loose. remove all elec connectors.Then remove the screws that hold the radio in place and remove all elec connectors.

you can usually find those specs at a local repair shop,or your local Chevy dealer.also some auto parts stores