Specifications

Symptom List:
P1630-IMMOBILIZER
P1630-IMMOBILIZER
P1630-IMMOBILIZER
P1630-IMMOBILIZER
P2201-IMMOBILIZER CAN MESSAGE ERROR
P2243-NO MESSAGE RECEIVED FROM SKREEM
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P1630-IMMOBILIZER.
POSSIBLE CAUSES
CHECKING SKREEM DTC’S
OPEN CAN BUS CIRCUITS
SKREEM MODULE
INTERMITTENT CONDITION
TEST ACTION APPLICABILITY
1 NOTE: If the ECM detects and stores a DTC, the ECM also stores the
engine/vehicle operating conditions under which the DTC was set. Some of
these conditions are displayed on the DRB at the same time the DTC is
displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to
duplicate these conditions may assist when checking for an active DTC.
Turn the ignition on.
With the DRB, erase ECM DTCs.
Turn the ignition off for 10 seconds.
Turn the ignition on.
Monitor the DRB for ECM DTCs.
Did this DTC set again?
All
Yes → Go To 2
No → Go To 4
2 Turn the ignition on.
With the DRBIIIt, attempt to communicate with the SKREEM and read SKREEM
DTCs.
NOTE: If the DRB is unable to communicate with the SKREEM, refer to the
appropriate test in the Communication category
Are there any SKREEM DTC’s?
All
Yes → Repair SKREEM DTC’s as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No → Go To 3
102
DRIVEABILITY - DIESEL