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B5.9G, B5.9LPG, B Gas Plus, B LPG Plus, and B Gas International Engines – Fault Code Warning Lamps Stay On (No Apparent Reason)

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Electronic fault codes are active

For instructions on how to read active fault codes, refer to Procedure 101-007 (Electronic Controlled Fuel System) in Section 1. If fault codes are active, contact a Cummins Authorized Repair Facility.
 

Diagnostic switch is in the ON position

Turn off the diagnostic switch.
 

Diagnostic switch or circuit is malfunctioning

Check the diagnostic switch and circuit. Refer to the OEM service manual or a Cummins Authorized Repair Facility.
 
Contact a Cummins Authorized Repair Facility

Last Modified:  16-Feb-2005
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