Chrysler 300M 2002 Service Manual page 2711

DRIVEABILITY - NGC
Symptom:
P1698-NO TRASMISSION BUS MESSAGE
When Monitored and Set Condition:
P1698-NO TRASMISSION BUS MESSAGE
When Monitored: Equipped with automatic transmission. The ignition on. Battery
voltage greater than 10 volts.
Set Condition: No bus messages from the TCM for 20 seconds, two trips required.
INTERMITTENT CONDITION
PCM
TEST
1 Turn the ignition on.
With the DRBIII , erase DTCs.
Cycle the ignition key on and off several times. Leaving the ignition on for at least 20
seconds.
With the DRBIII , read DTC's.
Does the DTC reset?
Yes → Replace and program the Powertrain Control Module in accor-
→ Go To 2
No
2 NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wire harness. Look for parameter
values to change and/or a DTC to set.
Review the DRB Freeze Frame information. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wire harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wire harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
Yes → Repair as necessary
→ Test Complete.
No
POSSIBLE CAUSES
ACTION
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
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APPLICABILITY
All
All