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Today we have a 2009 Chevrolet Malibu 2.4l that will not crank. The shop said it will not communicate with a scan tool and the customer installed a new fuse box and a new ecm and it still did not fix it. Follow along as we try to figure out what is causing these problems.
Tools Used:
2023 Elite LAUNCH X431 V PRO 4.0
amzn.to/4a6H6Qv
Io Terminal
ioterminal.com/
autodynamicservices.com/ (authorized Dealer)
Autel MaxiSYS MS909:
www.aeswave.com/Autel-MaxiSYS...
Snap-on Zeus
www.snapon.com/EN/US/Diagnost...
CarDAQ Plus 3
www.aeswave.com/CarDAQ-Plus-3...
Powermax PMBC-120LK 120 Amp 12 Volt Battery Charger Power Supply with LED Light
amzn.to/3RfOu4k
Codes:
P0315 - Crankshaft Position (CKP) System Variation Not Learned
U0100 - Lost Communication With Engine Control Module (ECM)
U2105 - Lost Communication With Engine Control Module (ECM)
0:00 Intro
0:15 Overview
0:50 Health Report
2:42 Looking At A Wiring Diagram
4:30 Ground At Wrong Spot?'
4:50 This Does Not Look Good...
6:00 Testing Powers and Grounds
7:42 Testing The Original ECM On The Bench With IO Terminal
9:20 Testing The New ECM On The Bench With IO Terminal
10:08 Showing Our Can Network Waveform
10:30 The Blown Ignition Fuse
11:08 Wiring Diagram Showing Missing Fuse Drawing
11:19 Programming The Used ECM With GM Techline Connect
15:07 Testing The Car
15:28 Performing The Vehicle Anti Theft Learn In SPS2
18:20 It Runs!
19:00 Scanning For Codes
20:15 Crankshaft Variation Relearn