2024FA08 Other

2024FA08

November 12, 2024

Page 1 of 8

SUBJECT:
Proactive eGen Flex® System Identification Number (SID) Update for Model Year 2022-2024 Buses
MODELS AFFECTED:
eGen Flex Model Year 2022-2024 Buses
Introduction

Allison Transmission is authorizing a focused field action to update software and the SID in Allison eGen Flexequipped buses. The software update addresses the false setting of diagnostic codes related to the engine speed

sensor, Rechargable Energy Storage System (RESS) and halt brake. The vehicles authorized to receive updated

software and SIDs are specified in Table 3.

To ensure the highest quality of work and reduce down time, all vehicles worked on should be verified to have no

issues prior to or after applying software updates.
Claim Submittal Information

Claims must be submitted against the Allison eGen Flex Drive Unit serial numbers with the information in Table

1. Any repairs not described in this letter should be a separate claim. Transmission control module removal and

replacement (R&R) is not covered in this field action. Refer to Table 2 for Labor Operation Codes required to

complete the repairs.

Table 1. Claim Information

Claim Type
Campaign
Special Activity Indicator
2024FA08
Complaint Code
AT02
Failure Code
CC03
Table 2. Labor Operation Codes

Product Code 71

Labor Code
Labor Hours
Labor Operation
00096501
1.0 hours
Recalibrate ECU
Any additional parts, labor, net items or travel costs deemed necessary to complete this Field Action must be

described in detail in the claim narrative. Unexplained costs will be deducted from the claim.

BR / FA9212
xi44099
Copyright © 2024 Allison Transmission, Inc. All Rights Reserved.
2024FA08

November 12, 2024

Page 2 of 8

Allison Authorized Service Network must follow the published Allison current labor time guide for work performed

when adding any additional charges.
Vehicle List

The following list of vehicles is subject to change without notice.

Table 3. Vehicles Authorized for Field Action

Drive Unit Serial Number
VIN
7110009999
15GGD301XN3197142
7110010124
15GGD3011N3197143
7110010125
15GGB3014P3198778
7110010165
15GGD3013N3197144
7110010216
15GGB3014P3198781
7110010218
15GGB3012P3198780
7110010219
15GGB3012P3198777
7110010220
15GGB3016P3198779
7110010221
15GGD3014P3199097
7110010222
15GGD3016P3199313
7110010223
15GGD3018P3199720
7110010224
15GGD3011P3199316
7110010225
15GGD3018P3199118
7110010226
15GGB3017P3199844
7110010227
15GGD301XP3199315
7110010228
15GGD3014P3199116
7110010229
15GGD3018P3199314
7110010230
15GGD3017P3199319
7110010231
15GGD3014P3199312
7110010232
15GGD3015P3199707
7110010233
15GGD3012P3199714
7110010235
15GGD3019P3199709
7110010236
15GGD3015P3199318
7110010237
15GGD3019P3199712
7110010238
15GGD3017P3199708
7110010239
15GGD3015P3199321
7110010240
15GGD3013P3199320
7110010241
15GGD3018P3199717
Copyright © 2024 Allison Transmission, Inc. All Rights Reserved.
2024FA08

November 12, 2024

Page 3 of 8
Drive Unit Serial Number
VIN
7110010242
15GGD3013P3199706
7110010243
15GGD3013P3199317
7110010244
15GGD3015P3199710
7110010245
15GGD3010P3199713
7110010246
15GGD3017P3199711
7110010247
15GGD3011P3199719
7110010248
15GGD3018P3199099
7110010249
15GGD3010P3199114
7110010251
15GGD3017P3199112
7110010252
15GGD3016P3199098
7110010252
15GGD3016P3199716
7110010253
15GGD3018P3199104
7110010254
15GGD301XP3199718
7110010255
15GGD3014P3199715
7110010256
15GGD3010P3199100
7110010257
15GGD3012P3199101
7110010258
15GGD3011P3199106
7110010259
15GGD301XP3199105
7110010260
15GGD3014P3199102
7110010261
15GGD3015P3199111
7110010262
15GGD3016P3199103
7110010263
15GGD3013P3199107
7110010264
15GGD3011P3199123
7110010265
15GGD3015P3199108
7110010266
15GGD3017P3199109
7110010267
15GGB3016P3199494
7110010268
15GGB3014P3199493
7110010269
15GGD3013P3199110
7110010270
15GGD3019P3199113
7110010271
15GGD3012P3199115
7110010272
15GGD301XP3199119
7110010273
15GGD3016P3199117
7110010274
15GGD301XP3199122
7110010275
15GGD3016P3199120
Copyright © 2024 Allison Transmission, Inc. All Rights Reserved.
2024FA08

November 12, 2024

Page 4 of 8
Drive Unit Serial Number
VIN
7110010276
15GGD3018P3199121
7110010277
15GGD3013P3199124
7110010278
15GGD3018P3199135
7110010279
15GGD3015P3199125
7110010280
15GGD3019P3199127
7110010281
15GGD3017P3199126
7110010282
15GGD3012P3199129
7110010283
15GGD3013P3199138
7110010284
15GGD3010P3199128
7110010285
15GGB3019P3199845
7110010286
15GGD3019P3199130
7110010289
15GGD3011P3199140
7110010290
15GGD3010P3199131
7110010291
15GGD3012P3199132
7110010292
15GGD3016P3199134
7110010293
15GGD3014P3199133
7110010294
15GGD301XP3199136
7110010296
15GGD3011P3199137
7110010297
15GGD3016P3199182
7110010298
15GGD3014P3199164
7110010299
15GGD3013P3199141
7110010300
15GGD3015P3199139
7110010301
15GGD3017P3199143
7110010302
15GGD3016P3199165
7110010303
15GGD3015P3199142
7110010304
15GGB3013P3199839
7110010305
15GGB3011P3199838
7110010306
15GGD3012P3199146
7110010307
15GGD3016P3199148
7110010308
15GGD3019P3199841
7110010309
15GGB301XP3199837
7110010311
15GGD3010P3199842
7110010312
15GGB301XP3199840
7110010313
15GGD3019P3199158
Copyright © 2024 Allison Transmission, Inc. All Rights Reserved.
2024FA08

November 12, 2024

Page 5 of 8
Drive Unit Serial Number
VIN
7110010315
15GGD3012P3199843
7110010316
15GGD3016P3199151
7110010317
15GGD3018P3199152
7110010318
15GGD3010P3199159
7110010319
15GGD3013P3199155
7110010320
15GGD3019P3199161
7110010321
15GGB3015R3200640
7110010322

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This product presentation was made with AAWP plugin.

Last update on 2026-05-12 / Affiliate links / Images from Amazon Product Advertising API

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