P1652-J1850 Communication Bus Lost Arbitration; P1652-J1850 Communication Bus Receive Timeout; P1652-J1850 Communication Bus Short To Ground; P1652-J1850 Communication Bus Short To Voltage - DaimlerChrysler Jeep Grand Cherokee 2002 Service Manual

Symptom List:

P1652-J1850 COMMUNICATION BUS LOST ARBITRATION

P1652-J1850 COMMUNICATION BUS RECEIVE TIMEOUT

P1652-J1850 COMMUNICATION BUS SHORT TO GROUND

P1652-J1850 COMMUNICATION BUS SHORT TO VOLTAGE

P1652-J1850 COMMUNICATION BUS SPI ERROR

P1652-J1850 COMMUNICATION BUS TRANSMIT BUFFER OVER-
RUN

P1652-J1850 COMMUNICATION BUS UNAUTHORIZED RESET

Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P1652-J1850 COMMUNICATION
BUS LOST ARBITRATION.
When Monitored and Set Condition:
P1652-J1850 COMMUNICATION BUS LOST ARBITRATION
When Monitored: With the ignition on.
Set Condition: A J1850 Bus error occurred while the ECM was sending a message.
P1652-J1850 COMMUNICATION BUS RECEIVE TIMEOUT
When Monitored: With the ignition on.
Set Condition: The ECM has not received a J1850 Bus massage for 2.0 seconds.
P1652-J1850 COMMUNICATION BUS SHORT TO GROUND
When Monitored: With the ignition on.
Set Condition: The ECM detects continuous low voltage on the J1850 Bus circuit.
P1652-J1850 COMMUNICATION BUS SHORT TO VOLTAGE
When Monitored: With the ignition on.
Set Condition: The ECM detects continuous high voltage on the J1850 Bus circuit.
P1652-J1850 COMMUNICATION BUS SPI ERROR
When Monitored: With the ignition on.
Set Condition: The ECM has detected an internal communication problem.

P1652-J1850 COMMUNICATION BUS TRANSMIT BUFFER OVERRUN

When Monitored: With the ignition on.
Set Condition: The ECM has detected an internal problem.
DRIVEABILITY - DIESEL
199