KC-2288 Service Bulletin/Repair Instructions

6/30/23, 2:37 PM
Article
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Battery Electric Vehicle (BEV) Post Programing

Faults

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After module programing, faults may become active and require

additional calibrations or programming.
Resolutions to Faults After Programming.
HPCU

When the HPCU is programmed, you can get the below active fault:

a. U031B00 - DC/DC Converters, Hardware-Software

Incompatibility

i. You then have to run routine 3223-22-03-01 Program

DC/DC Control unit (DCU) to get the fault to go

Inactive.
PCM

When the PCM is programmed, you can get the below active faults:

a. P100B54 - Transmission Fork Position Sensor – Missing

Calibration

i. You have to run Calibration routine 4314-07-03-01

Trans Fork Position Sensor Calibration to get fault to

go inactive.

1. When you do this then you get an active fault

for HPCU P1021-54 Hybrid/EV drive motor “A”,

speed sensor calibration

a. You have then run calibration routine

3241-05-03-01 Resolver Angle, Electric

Motor to get the fault to go inactive.

b. U031100 - Software Incompatibility with Hybrid/EV Subnet

Node

i. You have to run routine 3241-05-03-02 Program

Motor Control Unit (MCU) to get the fault to go

inactive.

UI

; Live

SDM

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When you program the SDM you can get the below active faults:

a. B100454 HVAC Control Panel Missing Calibration

i. You then have to run calibration routine 8719-07-0301 HVAC Control Panel to get the fault to go inactive

b. C101B54 Cooling Circuit Three Way Valve, Missing

calibration

i. You have to run calibration routine 3690-07-03-01

Cooling circuit three-way valve to get fault to go

inactive
ESCM

When you program the ESCM you can get the below active faults:

a. U033A00 – Software Incompatibility with Hybrid/EV

Battery Interface Control Module “A”

b. P2C8A87 – Hybrid/EV Battery Interface Control Module

“A” – Missing Message

c. P2C8B87 - Hybrid/EV Battery Interface Control Module “B”

– Missing Message

d. U357787 - Hybrid/EV Battery Interface Control Module “C”

– Missing Message

e. U357887 - Hybrid/EV Battery Interface Control Module “D”

– Missing Message

i. This can all be correct by programming routine 368122-01-01 – Program Battery Management Unit (BMU)
We see a lot of data mismatches, and this has to do with the TEA2+

ECU’s not reporting to the tool.

a. This can be corrected if hooking TT to the truck follows the

below process:

i. Turn truck ON and let everything power up

ii. Start TT on PC, Login and get to home screen

iii. Connect communication box to computer

iv. Connect to truck

v. TT should then identify product and mis-matches

like shown below should not happen.

b. If there are still issue they may have to disconnect from

product
; Live UI
i. Clear the chassis from their recent selections and try

again.
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bev
mack
volvo
u031b00
p100b54
u031100
b100454
c101b54
u033a00
p2c8a87
p2c8b87
u357787
u357887
data mismatch
data mis-match
Categories

Make and Model > Mack > LR Electric

Make and Model > Volvo > VNR Electric

Vehicle System > Control Systems
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