LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1617 (Antilock Brake System) >> Diagnostic Information and Procedures >> DTC C0298, P1571: Powertrain Indicated Traction Control Malfunction & Traction Control Torque Request Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

C0298 

The powertrain control module (PCM) and the electronic brake control module (EBCM) communicate on the serial data link whenever the ignition is ON.

P1571 

The PCM supplies 5 volts through an internal resistor, to the EBCM on the requested torque signal circuit.

The EBCM toggles this voltage to ground to create the requested torque signal at the PCM.

scientia non olet · About LEMON Manuals