GM service bulletin #04-05-25-002E for ABS light on, C0265, C0201, U1041
Diagnose and fix ABS light on, C0265, C0201, U1041
GM has issued a service bulletin #04-05-25-002E to address a ABS light on, C0265, C0201, U1041 condition on the vehicles listed below.
2004-07 Buick Ranier
2002-06 Cadillac Escalade, Escalade EXT
2003-06 Cadillac Escalade ESV
1999-07 Chevrolet Silverado Classic
2000-06 Chevrolet Suburban, Tahoe
2002-06 Chevrolet Avalanche
2002-07 Chevrolet Trailblazer, Trailblazer EXT
2003-06 Chevrolet SSR
1999-07 GMC Sierra Classic
2000-07 GMC Envoy, Envoy XL, Sierra Denali Classic
2004-05 GMC Envoy XUV
2002-04 Oldsmobile Bravada
Cause of ABS light on, C0265, C0201, U1041
GM has determined that a poor ground connection at the A poor connection at the EBCM is causing unnecessary replacement of brake modules. The EBCM ground is different for each application. Do not replace the brake module to correct this condition.
Clean the ground connection to fix to ABS light on, C0265, C0201, U1041
• Remove and clean the EBCM Ground. It is located on the frame beneath the driver’s side door. You may find multiple grounds at that location, but the EBCM ground is the heavy (12-gauge) wire.
• The ground point may have a fastener with a welded-on nut. Do NOT reuse the old fastener. New part numbers are listed below.
• Remove the fastener and ground wires and clean the area, front and back, using a tool such as a *3M(TM) Scotch-Brite Roloc disc or equivalent.
• Install the grounds, then the new washer and new bolt to the frame. You may have to enlarge the hole
• IMPORTANT: USE the NEW bolts, washers and nuts specified in this bulletin. These parts have been identified due to their conductive finish.
• Tighten the nut to 79 lb in.
• Spray the ground connection front and back side of the repair area using Rubberized Undercoating.
• Check to ensure a good connection for the negative battery cable to frame ground. It is possible for this ground to cause similar symptoms with the ABS as described above.
New part numbers:
For full size trucks
©, 2018 Rick Muscoplat
Posted on by Rick Muscoplat
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