Manufacturer Communications

Vehicles / Allison / H 50 ep transmission / 9999
Bulletin Number Vehicle Make Vehicle Model Model Year Summary
SIL 05-EP-20EN R ALLISON H 50 EP TRANSMISSION 9999 Instruction to service channel to familiarize themselves with safe electrical work practices when working on the high voltage electrical system of the
SIL 19-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Service letter regarding servicing the DPIM, gaskets, and screw torques<br />
TT7235EN ALLISON H 50 EP TRANSMISSION 9999 Tech tip related to engine calibration triggering DTC 65-25<br />
ST 1898 Rev B ALLISON H 50 EP TRANSMISSION 9999 Service Tip regarding Water and/or Ethylene Glycol in Transmission Fluid. The analysis of the fluid sample (by the fluid supplier or any qualified lab
ST 1707 Rev C ALLISON H 50 EP TRANSMISSION 9999 Service Tip regarding Troubleshooting Techniques for Low Power Complaints with Cummins ISB/ISL Engine<br />
2011FA07 v2 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2014FA12 ALLISON H 50 EP TRANSMISSION 9999 Customer service campaign to recalibrate software to adjust torsional torque to reduce engine induced reversing torque.<br />
2012FA03 Rev D ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 Rev B ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 Rev A ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2011FA07 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle on the 401 Pre-4th Generation H 40/50 EPTM equipped busses<br />
2011FA06 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2011FA06-2 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2012FA03 Rev C ALLISON H 50 EP TRANSMISSION 9999 Announces program to remove and replace some Dual Power Inverter Modules (DPIM2) with part ordering instructions.<br />
SIL 22-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information announcing the availability of a service kit for the DPIM2 current sensor and replacement procedure<br />
SIL 19-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information regarding avoiding water intrusion during service of the DPIM<br />
SIL 02-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the Bias-Control Assembly (BCA) Card and procedure for replacing it in the DPIM2<br />
2015FA12 Rev B ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 09-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter regarding Energy Storage System 3 (ESS 3) Release Notification<br />
ST 1707 Rev C ALLISON H 50 EP TRANSMISSION 9999 Service Tip regarding Troubleshooting Techniques for Low Power Complaints with Cummins ISB/ISL Engine<br />
2011FA07 v2 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2014FA12 ALLISON H 50 EP TRANSMISSION 9999 Customer service campaign to recalibrate software to adjust torsional torque to reduce engine induced reversing torque.<br />
2012FA03 Rev D ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 Rev B ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 Rev A ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2011FA07 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle on the 401 Pre-4th Generation H 40/50 EPTM equipped busses<br />
2011FA06 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2011FA06-2 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2012FA03 Rev C ALLISON H 50 EP TRANSMISSION 9999 Announces program to remove and replace some Dual Power Inverter Modules (DPIM2) with part ordering instructions.<br />
SIL 22-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information announcing the availability of a service kit for the DPIM2 current sensor and replacement procedure<br />
SIL 19-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information regarding avoiding water intrusion during service of the DPIM<br />
SIL 02-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the Bias-Control Assembly (BCA) Card and procedure for replacing it in the DPIM2<br />
2015FA12 Rev B ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 09-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter regarding Energy Storage System 3 (ESS 3) Release Notification<br />
2015FA12 Rev A ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to install a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 27-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter to explain using Amprobe Ohm Megger (Model AMB45)for Troubleshooting<br />
SIL 01-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the SKiM module and GATE drive card inside the DPIM2 and procedure for replacement<br />
SIL 21-EP-13 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces kits to repair AC and DC lug box covers on the Dual Power Inverter Module (DPIM) where the screws seized or broke during removal<br />
SIL 10-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information explaining that the trim valve spring can be incorrectly mix with the exhaust-backfill spring and announces color-coded exhaust-ba
SIL 10-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces change to the color of the exhaust backfill spring to distinguish it from similar springs used in the H 40/50 EP assembly plant<br />
SIL 5-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability the direct current (DC) Busbar Assembly and DC Terminal Block Inside the DPIM<br />
SIL 3-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability the alternating current (AC) Busbar Assembly and AC Terminal Block Inside the Dual Power Inverter Module 2 (DPIM2)<br />
2012FA03 Rev D ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 Rev B ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 Rev A ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2012FA03 ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to remove and replace some Dual Power Inverter Modules (DPIM2), with part ordering instructions.<br />
2011FA07 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle on the 401 Pre-4th Generation H 40/50 EPTM equipped busses<br />
2011FA06 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
SIL 29-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter containing replacement pages for the H 40/50 EP TS5812EN 2014 Troubleshooting Manual<br />
SIL 27-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter to explain using Amprobe Ohm Megger (Model AMB45)for Troubleshooting<br />
2015FA12 ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 4-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the Passive Discharge Resistor (P/N 2954937 and related components) and includes the procedure to replace the Passive Di
TT7235EN ALLISON H 50 EP TRANSMISSION 9999 Tech tip related to engine calibration triggering DTC 65-25<br />
ST 1099 Rev R ALLISON H 50 EP TRANSMISSION 9999 Service Tip regarding Transmission Fluid/Filter Change Recommendations<br />
ST 1898 Rev B ALLISON H 50 EP TRANSMISSION 9999 Service Tip regarding Water and/or Ethylene Glycol in Transmission Fluid. The analysis of the fluid sample (by the fluid supplier or any qualified lab
ST 1707 Rev C ALLISON H 50 EP TRANSMISSION 9999 Service Tip regarding Troubleshooting Techniques for Low Power Complaints with Cummins ISB/ISL Engine<br />
2011FA07 v2 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2014FA12 ALLISON H 50 EP TRANSMISSION 9999 Customer service campaign to recalibrate software to adjust torsional torque to reduce engine induced reversing torque.<br />
SIL 22-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information announcing the availability of a service kit for the DPIM2 current sensor and replacement procedure<br />
SIL 19-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information regarding avoiding water intrusion during service of the DPIM<br />
SIL 02-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the Bias-Control Assembly (BCA) Card and procedure for replacing it in the DPIM2<br />
2015FA12 Rev B ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 09-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter regarding Energy Storage System 3 (ESS 3) Release Notification<br />
2015FA12 Rev A ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 27-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter to explain using Amprobe Ohm Megger (Model AMB45)for Troubleshooting<br />
SIL 01-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the SKiM module and GATE drive card inside the DPIM2 and procedure for replacement<br />
SIL 21-EP-13 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces kits to repair AC and DC lug box covers on the Dual Power Inverter Module (DPIM) where the screws seized or broke during removal<br />
SIL 10-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information explaining that the trim valve spring can be incorrectly mix with the exhaust-backfill spring and announces color-coded exhaust-ba
SIL 10-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces change to the color of the exhaust backfill spring to distinguish it from similar springs used in the H 40/50 EP assembly plant<br />
SIL 5-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability the direct current (DC) Busbar Assembly and DC Terminal Block Inside the DPIM<br />
SIL 3-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability the alternating current (AC) Busbar Assembly and AC Terminal Block Inside the Dual Power Inverter Module 2 (DPIM2)<br />
SIL 29-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter containing replacement pages for the H 40/50 EP TS5812EN 2014 Troubleshooting Manual<br />
SIL 27-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter to explain using Amprobe Ohm Megger (Model AMB45)for Troubleshooting<br />
2015FA12 ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 4-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the Passive Discharge Resistor (P/N 2954937 and related components) and includes the procedure to replace the Passive Di
2011FA06-2 ALLISON H 50 EP TRANSMISSION 9999 Customer campaign related to suction filter angle.<br />
2012FA03 Rev C ALLISON H 50 EP TRANSMISSION 9999 Announces program to remove and replace some Dual Power Inverter Modules (DPIM2) with part ordering instructions.<br />
2015FA12 Rev A ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 27-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter to explain using Amprobe Ohm Megger (Model AMB45)for Troubleshooting<br />
SIL 01-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the SKiM module and GATE drive card inside the DPIM2 and procedure for replacement<br />
SIL 21-EP-13 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces kits to repair AC and DC lug box covers on the Dual Power Inverter Module (DPIM) where the screws seized or broke during removal<br />
SIL 10-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Service information explaining that the trim valve spring can be incorrectly mix with the exhaust-backfill spring and announces color-coded exhaust-ba
SIL 10-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces change to the color of the exhaust backfill spring to distinguish it from similar springs used in the H 40/50 EP assembly plant<br />
SIL 5-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability the direct current (DC) Busbar Assembly and DC Terminal Block Inside the DPIM<br />
SIL 3-EP-16 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability the alternating current (AC) Busbar Assembly and AC Terminal Block Inside the Dual Power Inverter Module 2 (DPIM2)<br />
SIL 29-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter containing replacement pages for the H 40/50 EP TS5812EN 2014 Troubleshooting Manual<br />
SIL 27-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Service Information Letter to explain using Amprobe Ohm Megger (Model AMB45)for Troubleshooting<br />
2015FA12 ALLISON H 50 EP TRANSMISSION 9999 Customer satisfaction campaign to installs a new SID that disables the motor speed sensor diagnostic check during shutdown<br />
SIL 4-EP-15 ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the Passive Discharge Resistor (P/N 2954937 and related components) and includes the procedure to replace the Passive Di
TT7235EN ALLISON H 50 EP TRANSMISSION 9999 Tech tip related to engine calibration triggering DTC 65-25<br />
SIL 12-EP-14 Rev ALLISON H 50 EP TRANSMISSION 9999 Provides instructions for replacing current sensors inside the DPIM2<br />
SIL 5-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces availability of the DC busbar, DC terminal block, HVIL support and related components and service instructions to allow repairs to the dual
SIL 4-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the passive discharge resistor as a service part. The communications also contains instructions for replacing the passiv
SIL 3-EP-17 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces availability of parts that can be used for servicing the DPIM2 and service instructions<br />
SIL 3-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Replacing the AC Busbar Assembly and AC Terminal Block Inside the Dual Power Inverter Module 2 (DPIM2)<br />
SIL 3-EP-14 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the high voltage interlock loop circuit card and instructions for replacing it.<br />
SIL 2-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of the Bias-Control Assembly (BCA) Card and procedure for replacing it in the DPIM2<br />
SIL 1-EP-15 Rev ALLISON H 50 EP TRANSMISSION 9999 Service letter announcing the availability of kits to replace components of the Dual Power Inverter Module 2 (DPIM2) and eliminating the need to repla
SIL 3-EP-17 Rev ALLISON H 50 EP TRANSMISSION 9999 Announces the availability of internal components for the DPIM2 and procedures for replacement.<br />
SIL 35-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Information related to replacing the signal interface card and encoder cards inside the DPIM2<br />
SIL 22-EP-16 Rev ALLISON H 50 EP TRANSMISSION 9999 Provides information related to replacing Current Sensors Inside the Dual Power Inverter Module 2 (DPIM2)<br />

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