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September 23, 2013 Service bulletin

SART Module Diagnostic Procedure for Certain On Highway Trucks

Caterpillar technical service bulletin REHS872700 for 2012-2017 Caterpillar CT660.

Bulletin number
REHS872700
Component
Electrical system
Summary
SART Module Diagnostic Procedure for Certain On Highway Trucks - The technician may notice that a code below is active or inactive. The customer might not mention a warning light for this code alone. Diagnostic Information and procedures for the Stand Alone Real Time clock (SART) module-related codes are explained in this Special Instruction.

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