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Re: Looking for location of ECM
Hope this helps
UPLANDER 06 Elec Cont Unit (ECU); (left front of engine compartment), 3.5L. http://cgi.ebay.com/ebaymotors/2006-Chevy-Uplander-Engine-Computer-PCM-ECM-12600928_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318QQ_trksidZp3286Q2ec0Q2em14QQhashZitem320315289651QQitemZ320315289651QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories
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REDUCED ENGINE POWER: Refer to Engine Control Module Description for the 5.3L engine or Engine Control Module Description for the 6.0L engine
The powertrain has electronic controls to reduce exhaust emissions while maintaining excellent driveability and fuel economy. The engine control module (ECM) is the control center of this system. The ECM monitors numerous engine and vehicle functions. The ECM constantly monitors the information from various sensors and other inputs, and controls the systems that affect vehicle performance and emissions. The ECM also performs the diagnostic tests on various parts of the system. The ECM can recognize operational problems and alert the driver via the malfunction indicator lamp (MIL). When the ECM detects a malfunction, the ECM stores a diagnostic trouble code (DTC). The problem area is identified by the particular DTC that is set. The control module supplies a buffered voltage to various sensors and switches. Review the components and wiring diagrams in order to determine which systems are controlled by the ECM.
Your best bet is take it to a ASE certified repair shop or a Chevy dealer who has the tool to diagnose this problem before it strands you some where .
the ECM is near the fuse box. open you hood. stand in front of you drivers side headlights and look down. itll be between the head lights and the fuse box and its under the radiator hose IIRC. the ecm is covered by a black cover. you need to remove that to see the actual ecm. Here is a helpfull site also before you buy a new ECM. http://www.ehow.com/how_7315090_reset-ecm-chevy-truck.html
This engine is fully electronically controlled so the very first thing that must be done is to have a shop scan the systems control module for fault codes and then based on these codes perform diagnostics.
I have a 2006 chevy uplander that had an abs light coming on so i took it to my local GM dealer to have it diagnosed and they had told me that the hub and bearing assembly needed to be changed, so i changed it and the light still came on. Upon further investigation i came to discover that the abs wires were frayed in two locations and that the connecters were loose i tightened the connecters and replaced the wires and now my abs light does not come on. I also discovered that i did not need a new hub and bearing assembly after all.
For one i dont need your vin its a z24 which means it has a 2.4l engine it does not have an ECM it has a PCM powertrain control module, which is located for your car in the right rear corner topside of your engine bay, in 1995-2001 it is located inside the right front fender. I hope this info helps...