U0002-CAN C BUS OFF PERFORMANCE
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition on.
- Set Condition:
The TIPM detects a short in either CAN C Bus circuit.
| Possible Causes |
| (D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND |
| (D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND |
| (D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE |
| (D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE |
| (D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT |
| ANTI-LOCK BRAKE MODULE |
| POWERTRAIN CONTROL MODULE |
| TRANSMISSION CONTROL MODULE (CVT) |
| ENGINE CONTROL MODULE (DIESEL ONLY) |
| STEERING ANGLE SENSOR |
| ALL WHEEL DRIVE CONTROL MODULE |
| TOTALLY INTEGRATED POWER MODULE |
Diagnostic Test
1.TEST FOR INTERMITTENT CONDITIONNOTE: Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing.
Does the scan tool display U0002-CAN C BUS OFF PERFORMANCE as active?
Yes
- Go To 2
No
- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
2.ANTILOCK BRAKE MODULE — INTERNAL SHORT
Does the scan tool display U0002-CAN C BUS OFF PERFORMANCE as active?
Yes
- Go To 3
No
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Anti-Lock Brake Module in accordance with the service information.
- Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE)
3.POWERTRAIN CONTROL MODULE — INTERNAL SHORT
NOTE: If vehicle is not equipped with this module, answer yes to the question.
Does the scan tool display U0002-CAN C BUS OFF PERFORMANCE as active?
Yes
- Go To 4
No
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Powertrain Control Module in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST VER - 5.
4.TRANSMISSION CONTROL MODULE (CVT) — INTERNAL SHORT
NOTE: If vehicle is not equipped with this module, answer yes to the question.
Does the scan tool display U0002-CAN C BUS OFF PERFORMANCE as active?
Yes
- Go To 5
No
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace the Transmission Control Module in accordance with the service information.
- Perform the appropriate VERIFICATION TEST VER 1.
5.ENGINE CONTROL MODULE (DIESEL ONLY) — INTERNAL SHORT
NOTE: If vehicle is not equipped with this module, answer yes to the question.
Does the scan tool display U0002-CAN C BUS OFF PERFORMANCE as active?
Yes
- Go To 6
No
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Engine Control Module in accordance with the service information.
- Perform the ECM VERIFICATION TEST.
6.STEERING ANGLE SENSOR— INTERNAL SHORT
NOTE: If vehicle is not equipped with this sensor, answer yes to the question.
Does the scan tool display U0002-CAN C BUS OFF PERFORMANCE as active?
Yes
- Go To 7
No
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Steering Angle Sensor in accordance with the service information.
- Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE)
7.ALL WHEEL DRIVE CONTROL (AWD) MODULE — INTERNAL SHORT
NOTE: If vehicle is not equipped with this module, answer yes to the question.
Does the scan tool display U0002-CAN C BUS OFF PERFORMANCE as active?
Yes
- Go To 8
No
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the All Wheel Drive Control (AWD) Module in accordance with the service information.
- Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
8.(D65) CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE
Is there any voltage present?
Yes
- Repair the (D65) CAN C Bus (+) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST – VER 1 . (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Go To 9
9.(D64) CAN C BUS (-) CIRCUIT SHORTED TO VOLTAGE
Is there any voltage present?
Yes
- Repair the (D64) CAN C Bus (-) circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Go To 10
10.(D65) CAN C BUS (+) CIRCUIT SHORTED TO GROUND
Is any resistance present?
Yes
- Repair the (D65) CAN C Bus (+) circuit for a short to ground.
- Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Go To 11
11.(D64) CAN C BUS (-) CIRCUIT SHORTED TO GROUND
Is any resistance present?
Yes
- Repair the (D64) CAN C Bus (-) circuit for a short to ground.
- Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Go To 12
12.(D65) CAN C BUS (+) CIRCUIT SHORTED TO (D64) CAN C BUS (-) CIRCUIT
Is any resistance present?
Yes
- Repair the (D65) CAN C Bus (+) circuit for a short to the (D64) CAN C Bus (-) circuit.
- Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Totally Integrated Power Module in accordance with the service information.
- Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).