![]() Think about examining the recent Vehicle History and if possible, interview anyone who may have done something or changed anything to any one of the on board Modules. the removal of any such metallic foreign objects would allow the Network to return to its normal 0-7 (not 5 VDC) Status. which could of course, Short the Radio-CD Player to 12 VDC Power and Ball up the Module communications of the rest of the Class 2 Network as a result. a little detective work might 'short circuit' the need to go any further than figuring out whether or not one of 'The Kids' intentionally inserted any loose change or paper clips into the opening of the CD Player Caddy Door. Dark Blue / White (DK BLU/WHT) To H Connection of Splice Pack SP205īefore you get '.Too Deep Into The Weeds' of running down any wiring issues. Below Front Passenger Door Switch Panel Yellow / Black (YEL/BLK) - Digital Video Disc (DVD) Player #Splice 2 disc dvd driver#Brown / White (BRN/WHT) - Driver Memory Seat ModuleĮ. Light Green / Black (LT GRN/BLK) - Vehicle Communication Interfac Module (On Star)ī. Beneath Left Rear Seat on Rear Fuse BlockĪ. Light Green (LT GRN) Body Control Module (BCM) Dark Blue / White (DK BLU/WHT) to Splice Pack SP306 Dark Blue (DK BLU) Inflatable Restraint Sensing & Diagnostic Module On Inner Left FGrame Rail Beside Transmissionį. Light Blue (LT BLU) Electronic Brake Control Module (EBCM) Dark Green White (DK GRN/WHT) Transfer Case Shift Control ModuleĮ. Dark Green (DK GRN) Power Train Control Module (PCM)Ĭ. Purple (PPL) W/ Immobilizer Theft Deterrent Control Moduleī. Purple (PPL) W/O Immobilizer to Data Link Connector (DLC)Ī. Splice Pack SP205 Behind Left Side of Dash Near Headlamp Switch ConnectorĪ. Comes from a 2004 Trail Blazer wiring diagram. Here is what i could find for the splice packs on a Trail Blazer. Had a mouse build nest under air cleaner and chew thru some injection wiring last year. Then inspecting all wiring in engine compartment for mouse damage. Thinking first step is to test all fuses with multi-meter. #Splice 2 disc dvd serial#Searched but not much information found other than disconnect modules one at a time to check if one is going bad and corrupting the serial bus. Need a step by step test to identify the electrical serial buss issue causes or eliminate possible causes. Home now and have access to my tools & test equipment. Had spare BCM and had dealer program to car. Talked to Chevy Dealer who said needed to be towed in while in no start condition to read codes and diagnosis. Has a occasional starting issue where would not start unless disconnected battery for 10 -15 minutes then would start properly again for a week or two. Scap-On scanner says the following modules exist but can not communicate with or read any data from Door Module - Passenger - 0 codes (History) U100 Class 2 Serial Communication Problem (Current)ġ0. U1000 Loss of Class 2 Serial Communications U1000 Class 2 Data Link Fault (Current & History) Checked for battery voltage at the rear fuse block big red wire & 12 volts. Checked CIGAR fuse #13 under the hood and is good. Snap-On scanner can run run function test of lights, windows, power down, ect in Bode Control Module. Snap-On Scanner will not Auto ID car and says Comm problem. Snap-On scanner can read codes but only recognizes 10 systems and 8 codes with cleared and return. #Splice 2 disc dvd code#Normal code reader cannot comunicate with or read codes. When leave key in on position for a while security lights come onĭash lights, head light, heater, radio, turn signal, windows, wipers and everthing seems to work. Gas gauge was working but now show MT and yellow gas warning light is on but tank over 3/4 full. All instrument light on when first to key on the go out except battery & gauge warning light stay on. No starter signal at starter relay but when jump relay will turn over but not start. 2005 Chevy Trailblazer LT, 2-Door, 4WD, I6 4.2L engine ![]()
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