Programming and Updating the electronic units at Tesla is done primarily through two methods: Over-the-Air (OTA) Software Updates and Service Updates.
OTA updates are performed via the vehicle's wireless connection and allow new software versions to be downloaded and installed on the vehicle's system.
Tesla vehicle owners receive notifications in the vehicle's dashboard and in the Tesla mobile app when a new update is available.
Service updates are done when modules are changed and often, when certain problems need to be fixed.
Although updating software on Tesla vehicles is usually a smooth and hassle-free process, as with any software update, some snags can sometimes happen.
Some problems can occur after a software update, for example any of these:
1-Connectivity issues: Updating the software may affect the vehicle's connectivity, which may cause problems with the connection to the mobile network or Wi-Fi.
2-Touchscreen issues: Updating the software can also affect the vehicle's touchscreen, which can cause the screen to become unresponsive or some buttons to not work.
3-Vehicle performance problems: In some cases updating the software can affect the performance of the vehicle, causing it to feel different when driven. We have also cases that after an OTA Update the vehicle could not be charged or/and alerts appeared
4-Application compatibility issues: Some applications and features of the vehicle may not be compatible with the new version of the software, which may cause problems in their operation.
5-Problems with the MCU or ICE: The infotainment control unit (Media control Unit - MCU or ICE) is connected to the screen (CID). This unit commands the different modules of the vehicle and serves as a gateway between the different communication networks.
Most of the vehicle's functions depend on this module according to the user's actions.
Usually we can solve all these problems.
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Alerts indicating problems with the MCU - ICE:
If you have any of the following alerts on your screen, your Tesla is having a problem with the charging system.
To identify the problem we must carry out an evaluation and prepare an EV-Intelligent Report
These alerts start with GTW - MCU - UI
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List of alerts related to the MCU - ICE:
GTW_f011
GTW_f012
GTW_f013
GTW_f014
GTW_f015
GTW_f016
GTW_f028
GTW_f051
GTW_f052
GTW_f053
GTW_f054
GTW_f055
GTW_f056
GTW_f057
GTW_f067
GTW_f081
GTW_f082
GTW_f084
GTW_f085
GTW_f094
GTW_f095
GTW_f096
GTW_f097
GTW_f098
GTW_f100
GTW_f101
GTW_f102
GTW_f103
GTW_f106
GTW_u001
GTW_u002
GTW_u003
GTW_u005
GTW_u006
GTW_u007
GTW_u008
GTW_u009
GTW_u012
GTW_u013
GTW_u014
GTW_u015
GTW_w011
GTW_w012
GTW_w013
GTW_w014
GTW_w016
GTW_w015
GTW_w017
GTW_w018
GTW_w019
GTW_w021
GTW_w022
GTW_w023
GTW_w024
GTW_w025
GTW_w026
GTW_w027
GTW_w028
GTW_w036
GTW_w037
GTW_w041
GTW_w042
GTW_w081
GTW_w083
GTW_w084
GTW_w099
GTW_w100
GTW_w102
GTW_w104
GTW_w106
GTW_w125
GTW_w126
GTW_w127
GTW_w129
GTW_w130
GTW_w131
GTW_w132
GTW_w133
GTW_w134
GTW_w135
GTW_w136
GTW_w137
GTW_w138
GTW_w139
GTW_w140
GTW_w141
GTW_w142
GTW_w143
GTW_w177
GTW_w176
GTW_w218
GTW_w226
GTW_w219
GTW_f205
GTW_w212
GTW_w223
GTW_w215
GTW_w234
GTW_w193
GTW_w195
GTW_w194
GTW_f193
GTW_f198
GTW_f197
GTW_f194
GTW_f195
GTW_f196
GTW_w199
GTW_w200
GTW_w201
CHG_w116
CHG_w117
GTW_w224
GTW_w225
GTW_f203
GTW_f204
GTW_f202
GTW_w206
GTW_w173
GTW_w222
GTW_f201
GTW_f200
GTW_f199
GTW_w221
GTW_w192
GTW_w189
GTW_w166
GTW_w190
GTW_w164
GTW_w188
GTW_w214
GTW_w187
GTW_w171
GTW_w211
GTW_w213
GTW_f191
GTW_f190
GTW_f192
GTW_f189
GTW_w162
GTW_f187
GTW_w161
GTW_w165
GTW_w163
GTW_f127
GTW_f188
GTW_f227
GTW_f228
GTW_f231
GTW_f232
GTW_f236
GTW_f241
GTW_f243
GTW_f244
GTW_f246
GTW_f248
GTW_f249
GTW_f250
GTW_f251
GTW_f252
GTW_f253
GTW_f254
GTW_f255
GTW_f256
GTW_f257
GTW_f258
GTW_f259
GTW_f266
GTW_f267
GTW_f272
GTW_u016
GTW_w181
GTW_w231
GTW_w241
GTW_w242
GTW_w246
GTW_w266
GTW_w267
GTW_w272
GTW_w276
GTW_w238
GTW_w319
GTW_d004
GTW_w093
GTW_w183
GTW_w185
GTW_w186
GTW_w245
GTW_w247
GTW_w248
GTW_w249
GTW_w250
GTW_w251
GTW_w252
GTW_w253
GTW_w263
GTW_w264
GTW_w271
GTW_f278
GTW_f279
GTW_f280
GTW_f281
GTW_f282
GTW_f284
GTW_f286
GTW_f288
GTW_f289
GTW_f293
GTW_f294
GTW_f295
GTW_f296
GTW_f298
GTW_f316
GTW_f317
GTW_f320
GTW_f321
GTW_u010
GTW_w105
GTW_w269
GTW_w283
GTW_w285
GTW_w287
GTW_w299
GTW_w308
GTW_w318
GTW_w320
GTW_w321
GTW_w326
GTW_w327
GTW_w328
GTW_w329
GTW_w330
GTW_w331
GTW_w332
GTW_w333
GTW_w335
GTW_w337
GTW_w355
GTW_w014
GTW_w015
GTW_w016
GTW_w017
GTW_w018
GTW_w019
GTW_w020
GTW_w021
GTW_w022
GTW_w023
GTW_w024
GTW_w025
GTW_w026
GTW_w027
GTW_w028
GTW_w029
GTW_w030
GTW_w031
GTW_w034
GTW_w035
GTW_w036
GTW_w037
GTW_w038
GTW_w039
GTW_w040
GTW_w041
GTW_w042
GTW_w043
GTW_w044
GTW_w045
GTW_w046
GTW_w047
GTW_w048
GTW_w049
GTW_w051
GTW_w054
GTW_w055
GTW_w083
GTW_w033
GTW_w146
GTW_w045
GTW_w174
GTW_w029
GTW_w047
GTW_w021
GTW_w106
GTW_w048
GTW_w046
GTW_w016
GTW_w094
GTW_w113
GTW_w173
GTW_w118
GTW_w093
GTW_w039
GTW_w172
GTW_w104
GTW_w169
GTW_w025
GTW_w153
GTW_w051
GTW_w176
GTW_w107
GTW_w108
MCU_u001
MCU_u002
MCU_u003
MCU_u004
MCU_u005
MCU_u006
MCU_u007
MCU_u008
MCU_w004
MCU_w005
MCU_w006
MCU_w007
MCU_w008
MCU_w009
MCU_w010
MCU_w012
UI_a012
UI_a055
UI_a090
UI_a095
UI_a101
UI_a028
UI_a129
UI_a138
UI_a124
UI_a069
UI_a074
UI_a034
UI_a040
UI_a041
UI_a031
UI_a098
UI_a001
UI_a004
UI_a085
UI_a062
UI_a140
UI_a076
UI_a022
UI_a080
UI_a066
UI_a093
UI_a025
UI_a092
UI_a047
UI_a067
UI_a029
UI_a060
UI_a097
UI_a065
UI_a094
UI_a036
UI_a103
UI_a115
UI_a033
UI_a017
UI_a049
UI_a099
UI_a131
UI_a126
UI_a068
UI_a063
UI_a009
UI_a006
UI_a128
UI_a102
UI_a118
UI_a053
UI_a021
UI_a019
UI_a011
UI_a052
UI_a100
UI_a013
UI_a061
UI_a005
UI_a071
UI_a072
UI_a054
UI_a089
UI_a073
UI_a087
UI_a075
UI_a070
UI_a002
UI_a130
UI_a112
UI_a121
UI_a139
UI_a125
UI_a018
UI_a079
UI_a084
UI_a027
UI_a045
UI_a135
UI_a020
UI_a086
UI_a003
UI_a030
UI_a010
UI_a091
UI_a008
UI_a014
DI_a232
DI_a233
DI_a178
DI_a220
DI_a198
DI_a223
DI_a208
DI_a200
DI_a070
DI_a226
DI_a207
DI_a063
DI_a213
DI_a210
DI_a002
DI_a251
DI_a197
DI_a221
DI_a237
DI_a242
DI_a228