Failed Relays are Reported in the Secondary Steering System{4493, 7620} Caterpillar

Integrated Toolcarrier:

IT62H (S/N: M5G1-UP)

Wheel Loader:

950H (S/N: N1A1-UP; M1G1-UP; J5J1-UP; K5K1-UP)

962H (S/N: N4A1-UP; M3G1-UP; J6J1-UP; K6K1-UP)

966H (S/N: A6D1-UP; A6G1-UP; A6J1-UP)

972H (S/N: WLA1-UP; A7D1-UP; A7G1-UP; A7J1-UP)

Introduction

The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.

Problem

The 3E-5239 Relay As appears to fail in the secondary steering system of the machines that are listed above. Diagnostic CID 795 is reported. This is a false diagnostic. The diagnostic occurs when the ignition key of the machine is turned OFF during the powerup test of the secondary steering system.

Solution

Ensure that the ignition key remains in the ON position during the powerup test.

The false diagnostic will be corrected in a future software release.