Chrysler Town, Dodge Caravan. Manual — part 601
Symptom List:
P1696-PCM FAILURE EEPROM WRITE DENIED
P1697-PCM FAILURE SRI MILE NOT STORED
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P1696-PCM FAILURE EEPROM
WRITE DENIED.
When Monitored and Set Condition:
P1696-PCM FAILURE EEPROM WRITE DENIED
When Monitored:
Ignition key on, Continuous.
Set Condition:
An attempt to program/write to the internal EEPROM failed, Also checks
at powerdown.
P1697-PCM FAILURE SRI MILE NOT STORED
When Monitored:
Ignition key on, Continuous.
Set Condition:
An attempt to program/write to the internal EEPROM failed, Also checks
at powerdown.
POSSIBLE CAUSES
DRB DISPLAYS WRITE FAILURE
DRB DISPLAYS WRITE REFUSED 2ND TIME
DRB DISPLAYS SRI MILEAGE INVALID
COMPARE SRI MILEAGE WITH ODOMETER
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, perform the SRI Memory Test.
Does the DRBIII
t display Write Failure?
All
Yes
→ Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Go To 2
2
With the DRBIII
t, perform the SRI Memory Test.
Does the DRBIII
t display Write Refused?
All
Yes
→ Go To 3
No
→ Go To 4
212
DRIVEABILITY - SBEC
TEST
ACTION
APPLICABILITY
3
With the DRBIII
t, perform the SRI Memory Test a second time.
NOTE: Retest the SRI Memory two more times.
Does the DRBIII
t display Write Refused again?
All
Yes
→ Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Test Complete.
4
With the DRBIII
t, perform the SRI Memory Test.
Does the DRBIII
t display SRI Mileage Invalid?
All
Yes
→ Update the mileage and retest the SRI Memory.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Go To 5
5
Compare the SRI Mileage stored with the Instrument Panel Odometer.
Is the mileage within the specified range displayed on the DRBIII
t?
All
Yes
→ Test Complete.
No
→ Update the mileage and retest the SRI Memory.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
213
DRIVEABILITY - SBEC
P1696-PCM FAILURE EEPROM WRITE DENIED —
Continued
Symptom:
P1698-NO BUS MESSAGE FROM TRANS CONTROL MODULE
When Monitored and Set Condition:
P1698-NO BUS MESSAGE FROM TRANS CONTROL MODULE
When Monitored:
Equipped with a 4 speed automatic transmission. The ignition on.
Battery voltage greater than 10.4 volts.
Set Condition:
No bus messages from the TCM for 20 seconds, two trips required.
POSSIBLE CAUSES
INTERMITTENT CONDITION
COMMUNICATE WITH TCM
PCM
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, erase DTCs.
Cycle the ignition key on and off several times. Leaving the ignition on for at least 20
seconds.
With the DRBIII
t, read DTC’s.
Does the DTC reset?
All
Yes
→ Go To 2
No
→ Go To 3
2
Turn the ignition on.
With the DRBIII
t, attempt to communicate with the TCM.
Can communication be established with the TCM?
All
Yes
→ Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Refer to the Communication Category and perform the appropri-
ate symptom related to no communication with TCM.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
214
DRIVEABILITY - SBEC
TEST
ACTION
APPLICABILITY
3
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.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRBIII
t
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DRBIII
t 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 wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
All
Yes
→ Repair as necessary
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Test Complete.
215
DRIVEABILITY - SBEC
P1698-NO BUS MESSAGE FROM TRANS CONTROL MODULE —
Continued
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