Chrysler 2005 Crossfire SRT6 Service Manual page 3129

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(P0600) IC CAN MESSAGE INCORRECT (CONTINUED)
2.
CHECK TO SEE IF (P0720) CAN BUS CIRCUIT DTC PRESENT
Turn the ignition on.
With the DRB III , read Transmission DTCs.
Note: If DTC (P0720) CAN BUS CIRCUIT is present, perform diag-
nostics on that symptom first.
Is DTC (P0720) CAN BUS CIRCUIT present?
Yes >> Refer to the Transmission - Electrical Diagnostics category
and perform the appropriate symptom.
No >> Go To 3
3.
CHECK TO SEE IF INSTRUMENT CLUSTER DTC PRESENT
With the ignition on.
With the DRB III , read Instrument Cluster DTCs.
Are any Instrument Cluster DTCs present?
Yes >> Refer to the Instrument Cluster - Electrical Diagnostics cat-
egory and perform the appropriate symptom.
No >> Go To 4
4.
CAN C BUS (+) OR (-) CIRCUIT(S) OPEN
Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between the CAN C BUS (+) circuit and the
CAN C BUS (-) circuit in the Instrument Cluster C1 harness connector.
Is the resistance 60 ohms ± 3.0 ohms?
Yes >> Replace the Instrument Cluster. (Refer to 8 - ELECTRI-
CAL/INSTRUMENT CLUSTER - REMOVAL).
Perform NAG1 TRANSMISSION VERIFICATION TEST.
No >> Repair the faulty CAN C BUS circuit for an open.
Perform NAG1 TRANSMISSION VERIFICATION TEST.
NAG1 - ELECTRICAL DIAGNOSTICS 21 - 59