Spn 523/Fmi 19; Spn 523/Fmi 13; Erratic Transmission Current Gear Signal Check; Missing Transmission Current Gear Signal Check - Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual

41.1 SPN 523/FMI 19

This fault is typically the transmission current gear signal is erratic.
41.1.1

Erratic Transmission Current Gear Signal Check

Check as follows:
1. Check for multiple codes:
[a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
[b] If MCM SPN 625/FMI 9 is present, troubleshoot and repair the CAN line.
[c] If only a "J1939 Error" fault is present, go to step 2.
2. Has the CPC been recently reprogrammed?
[a] If yes, check the proper configuration of the CPC.
[b] If no, connect ServiceLink to determine which modules are configured for the vehicle
and their communication status. Once this is done, follow the appropriate module
communication troubleshooting procedures for the affected module.

41.2 SPN 523/FMI 13

This fault is typically the transmission current gear signal is missing.
41.2.1

Missing Transmission Current Gear Signal Check

Check as follows:
1. Check for multiple codes:
[a] If CPC SPN 168/FMI 0/14/18 (Battery Voltage) are present troubleshoot these first.
[b] If MCM SPN 625/FMI 9 is present, troubleshoot and repair the CAN line.
[c] If only a "J1939 Error" fault is present, go to step 2.
2. Has the CPC been recently reprogrammed?
[a] If yes, check the proper configuration of the CPC.
[b] If no, connect ServiceLink to determine which modules are configured for the vehicle
and their communication status. Once this is done, follow the appropriate module
communication troubleshooting procedures for the affected module.
All information subject to change without notice.
Copyright © 2007 DETROIT DIESEL CORPORATION
SERIES 60 DDEC VI TROUBLESHOOTING GUIDE
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