WHEN MONITORED
Continuously with the ignition in the run position.
SET CONDITION
If the ESM controller detects an invalid calibration (checksum value).
POSSIBLE CAUSES
| Possible Causes |
|---|
| ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition in the run position.
If the ESM detects an error in the backlight circuitry.
| Possible Causes |
|---|
| UPPER SHIFT KNOB LOWER SHIFT KNOB/SHROUD SHIFTER LEVER ASSEMBLY ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition in the run position.
If the ESM detects an error in the forward, rearward and side to side movement of the shifter.
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C73-00-PARK SWITCH CIRCUIT STUCK
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
If the ESM detects an error in the park switch circuit.
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C83-00-AUTOSTICK ENGAGE FAILURE
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When the expected switch state is not correctly sensed by the Shift Lever Assembly.
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C84-14-AUTOSTICK DISENGAGE FAILURE-CIRCUIT SHORT TO GROUND OR OPEN
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When the expected switch state is not correctly sensed by the Electronic Shift Module (ESM).
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C85-2A-SHIFT LEVER-STUCK
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When the expected switch state is not correctly sensed by the Electronic Shift Module (ESM).
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C86-14-PRNDL DISPLAY-CIRCUIT SHORT TO GROUND OR OPEN
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
If the ESM detects an error in the backlight circuitry.
| Possible Causes |
|---|
| UPPER SHIFT KNOB LOWER SHIFT KNOB/SHROUD SHIFTER LEVER ASSEMBLY ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C87-2A-TRIGGER SWITCH-STUCK
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When the expected switch state is not correctly sensed by the Electronic Shift Module (ESM).
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition in the run position.
When the expected switch state is not correctly sensed by the Electronic Shift Module (ESM).
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C88-00-PARK SWITCH CIRCUIT PERFORMANCE
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
If the ESM detects an error in the park switch circuit.
| Possible Causes |
|---|
| SHIFTER LEVER ASSEMBLY ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C8B-16-BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When monitored battery voltage drops below 6.0 volts.
| Possible Causes |
|---|
| ELECTRONIC SHIFT MODULE (ESM) VEHICLE CHARGING SYSTEM ESM BATTERY CIRCUIT |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C8B-17-BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When the monitored battery voltage rises above 16.0 volts.
| Possible Causes |
|---|
| CHARGING SYSTEM DTCS VEHICLE WAS JUMP STARTED INCORRECTLY SYSTEM VOLTAGE HIGH ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C8C-16-SYSTEM VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When monitored battery voltage drops below 6.0 volts.
| Possible Causes |
|---|
| ELECTRONIC SHIFT MODULE (ESM) VEHICLE CHARGING SYSTEM ESM BATTERY CIRCUIT |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
P1C8C-17-SYSTEM VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
When the monitored battery voltage rises above 16.0 volts.
| Possible Causes |
|---|
| CHARGING SYSTEM DTCS VEHICLE WAS JUMP STARTED INCORRECTLY SYSTEM VOLTAGE HIGH ESM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Every 7 msec with
1) Engine speed greater than 500 rpm.
2) Battery voltage between 10 and 16 volts.
CAN C BUS messages are not received for 10 seconds.
| Possible Causes |
|---|
| ESM - INTERNAL ERROR PCM - INTERNAL ERROR TCM - INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition in the run position.
If the Shift Lever Assembly controller detects an invalid calibration (checksum value).
| Possible Causes |
|---|
| ESM - INTERNAL ERROR TCM INTERNAL ERROR |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition on and voltage within a valid range.
No failure in CAN BUS monitoring.
No failure in CAN BUS or message monitoring.
A message was not received within its expected time frame.
| Possible Causes |
|---|
| PCM - INTERNAL ERROR CAN BUS CIRCUITS OPEN OR SHORTED DTCS RELATED TO BATTERY VOLTAGE, IGNITION OR VIN MESSAGES POWERTRAIN CONTROL MODULE POWER AND GROUND MODULE THAT SET THIS DTC |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition in the run position.
If the ESM detects an invalid CAN BUS signal.
| Possible Causes |
|---|
| ESM - INTERNAL ERROR TCM - INTERNAL ERROR CAN BUS CIRCUITS OPEN OR SHORTED |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
The circuit is continuously monitored with the ignition on.
Battery voltage between 10.0 and 16.0 volts.
Electronic Shift Module (ESM) is configured correctly.
BUS messages not received over the CAN C circuit for approximately two to five seconds.
| Possible Causes |
|---|
| ESM NOT CONFIGURED CORRECTLY CAN BUS CIRCUITS OPEN OR SHORTED MODULE THAT SET THIS DTC |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition on and voltage within a valid range.
No failure in CAN BUS monitoring.
No failure in CAN BUS or message monitoring.
A message was not received within its expected time frame.
| Possible Causes |
|---|
| INSTRUMENT CLUSTER (IC) IC POWER AND GROUND CAN BUS CIRCUITS OPEN OR SHORTED DTCS RELATED TO BATTERY VOLTAGE, IGNITION OR VIN MESSAGES MODULE THAT SET THE DTC |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition in the run position.
If the ESM detects an invalid CAN BUS signal from the TCM.
| Possible Causes |
|---|
| ESM - INTERNAL ERROR TCM - INTERNAL ERROR CAN BUS CIRCUITS OPEN OR SHORTED |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
Continuously with the ignition in the run position.
BUS messages not received from the TCM within the calibration threshold.
| Possible Causes |
|---|
| ESM - INTERNAL ERROR TCM - INTERNAL ERROR CAN BUS CIRCUITS OPEN OR SHORTED |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
U11C3-00-ESM LOST COMMUNICATION WITH TCM ON D-PT CAN
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
If the ESM detects an invalid calibration (checksum value).
| Possible Causes |
|---|
| ESM - INTERNAL ERROR TCM - INTERNAL ERROR CAN BUS CIRCUITS OPEN OR SHORTED |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .
U145D-00-IMPLAUSIBLE DATA RECEIVED FROM TCM ON D-PT
For a complete wiring diagram refer to appropriate SYSTEM WIRING DIAGRAMS article .
Continuously with the ignition in the run position.
If the ESM detects an invalid CAN BUS signal from the TCM.
| Possible Causes |
|---|
| ESM - INTERNAL ERROR TCM - INTERNAL ERROR CAN BUS CIRCUITS OPEN OR SHORTED |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .