ELECTRICAL
Event Code 100
214
 M4.8-1055-004
03 Rev. 10/09
Event Code 100
ACCESS 1 brake off test issue.
Step 1: Re-key truck.
• If: Event returns.
– Then follow event codes 102 and 103 to verify 
brake circuit.
• If: OK.
– Then replace ACCESS 1.
Event Code 101
ACCESS 1 did not pass self test.
Step 1: Check voltage at ACCESS 1 CA215-17 (+) and
CA215-4 (-).
• If: 35 to 38 Vdc.
– Then re-key truck, replace ACCESS 1 if event 
returns.
• If: Less than 35 Vdc.
– Then issue exists in power-up circuit. Repair as 
necessary.
Figure 15770-02
Crown 2007 PF15665-4 Rev. 10/09