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Could be that one or both of those are acting up. The P0121 and P0638 do point to the throttle position sensor and the butterfly actuator (on the throttle body). Have you cleared codes and started over to see which ones come back ? My 04 Bonneville GXP has the FWD LD8 version of the Northstar and a friend told me that I could. How many of those sound like problems the vehicle is currently having ? I've seen some U codes set due to running the battery down or disconnecting it to swap in a new one, so some could be false or not current. Genuine Parts & Accessories for 2004 Cadillac SRX Air Conditioning, Body Mounting, Audio & Entertainment Body Panel & Moldings, Roof & Rear Compartment. The Cadillac STS and SRX have RWD mounted Northstars. P1629 - Theft Deterrent System – Cranking Signal Cadillac SRX Orygina Serwis Gwarancja 59 900 z Radom - 28 maja 2022 2011 - 190 660 km Cadillac SRX 10 000 z do negocjacji Buczkowice - 17 maja 2022 2004 - 230 025 km Cadillac SRX 3. P1631 - Theft Deterrent Start Enable Signal Not Correct Morimoto MC-R Chrome Retrofit Projector Shrouds. HID/Xenon bulbs are brighter and last much longer than halogen bulbs, but they too eventually. P0638 - Throttle Actuator Control (TAC) Command Performance Cadillac SRX with Factory HID/Xenon Headlights 2004, Performance HID/Xenon Headlight Bulb by Lumen. CADILLAC Factory(OEM) Navigation GPS Radio CD DVD Display > 90 Day Warranty> Tested. P0121 - TP Sensor Circuit Insufficient Activity A near 50-50 weight distribution, a low center of gravity, outstanding powertrain combinations and a host of the latest vehicle stability. 04 05 06 Cadillac SRX OEM Navigation GPS DVD 6 CD Changer Unit U2V. The SRX has been Cadillacs best selling mo.
#04 CADILLAC SRX SERIAL#
U1192 - Loss of VTD Class 2 Serial Data Com The Cadillac SRX is a mid-size luxury crossover SUV that has been produced by Cadillac since the 2004 model year.
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U1153 - lost communication with climate control panel module ?
#04 CADILLAC SRX DRIVER#
U1040 - Loss of Class 2 Communications with ABS 2004 Cadillac SRX V8 4dr SUV 12,000 120,660 miles No accidents, 3 Owners, Personal use only 8cyl Automatic Capitol Toyota (Salem, OR) Heated seats Leather Seats Sunroof/Moonroof Power Driver Seat.
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