2006 Cadillac STS 4.6l U0002 P1101 P0068 U2108 C0281 C0550 Check Engine & ABS Light Part 2

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Today we have a 2006 Cadillac STS 4.6l with the complaint the check engine light is on and the bas and traction control light. They said they clear the light and it keeps coming back. Follow along as we go through diagnosing this car.

Part 1:
   • 2006 Cadillac STS 4.6l  U0002 P1101 P...  

Codes:
U0002 - Fewer Controllers On Bus Than Programmed
P1101 - Intake Air Flow System Performance
P0068 - Throttle Body Performance
P1792- Wheel Speed Signal
U2108 - Lost Communication With Antilock Brake System (ABS)/ Traction Control System (TCS) Control System
C0281 - Dynamic Rear Proportioning (DRP) Performance
C0550 - Electronic Control Unit (ECU) Performance

Tools Used:

Autel MaxiSYS MS909:
https://www.aeswave.com/Autel-MaxiSYS...

Launch x431 Pro Mini 3.0:
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Support Group:   / 370367330293683  

Snap-on Zeus
https://www.snapon.com/EN/US/Diagnost...

Inflatable Intake Bladder (obd2seller)
https://www.ebay.com/itm/Easy-Intake-...

Autool Smoke Machine STD-206
AUTOOL 1 Automotive Pipes Fuel Leakage Detector Diagnositc Tester Evap Leaks Testing Machine for 12V Vehicle/Motorcycles/Boat (Newest Dual Modes) https

0:00 Intro
0:15 Visually Inspecting The ABS Module
2:35 Removing The Old ABS Module Electrical Part
3:11 Inspecting The New Module
3:40 Full System Scan
4:40 Looking At Fuel Trims
5:30 I Hear A Leak
6:20 I Found It!
6:33 Hose Back On
7:30 Confirming Fix
9:10 Looking At Live Data
10:15 Test Drive
11:00 Full System Scan
11:37 ABS Replacement Procedure
13:37 Brake Pedal Calibration
14:29 Codes Are Back...
16:45 Freeze Frame Data
17:40 Smoking The Intake Again
21:50 Cleaned The Throttle Body and The MAF Sensor Seal
22:14 Looking At Freeze Frame Data
24:15 Performing Fuel Trim and Idle Reset
25:30 Oh Uh That Is A Lot Of Fuel
26:40 Looking At Live Data
29:50 We Found A Leak!
30:14 After Oil Cap Reinstall
33:00 Test Drive Confirming Fix
33:42 We Fixed It... Now A Catalyst Code After Driving More It Went Away