10.14
Battery and Electrical Systems
Security System: Digital Wrench® Pass code
Reset
If the three digit pass code is either lost or unknown, it can
be reset to 000 using Digital Wrench®.
The ECU and instrument cluster must be powered at the
sam
e time. This can be done by either starting and
running the engine in a well-ventilated area or with the
chassis power-up harness and dual power-up adapter.
When using the chassis power-up harness and dual
po
wer-up adapter to reset the password, follow these
steps:
1. Open the left side engine compartment door and
lo
cate the Digital Wrench® diagnostic plug, ECU
power plug, and DC power plug.
2. Connect the dual power-up adapter to the chassis
p
ower-up harness. Attach one of the dual power-up
connectors to the ECM PWR plug and the other
connector to the DC PWR TEST plug. Connect the
alligator clamps to a fully charged 12 VDC battery.
NOTE: The ECU and DC chassis power circuits
(
instrument cluster, LED brake, etc) are now powered.
Confirm the instrument cluster is powered-up.
3. Start Digital Wrench® on the PC/laptop. Navigate to
th
e appropriate vehicle home page. Select OPTION
5 - SECURITY FUNCTIONS from the Special Tests
(Red Toolbox) Menu.
4. Select RESET PASSCODE on the
following screen.
5. Digital Wrench® will reset the instrument cluster pas
s
code to 000. During the process the instrument cluster
display, oil level, and engine temp. MIL LEDs will
flash.