U0103
Lost Communication with Gear Shift Control Module
2005-2009 Saab 9-7X 4.2L I6
High SeverityNetworkGeneric (SAE)
Description
Cannot communicate with the gear shift module that manages electronic shifter input.
Symptoms
- Shifter inoperative
- Transmission stuck in park
- Shift indicator not matching
- Cannot select gears
Common Causes
- Shift module power failure
- CAN bus wiring issue
- Shift module failure
- Shifter cable disconnected
- Fuse blown
Diagnostic Steps
- Check shift module fuse
- Test module power and ground
- Inspect CAN wiring
- Check shifter mechanism
- Test shift position switches
Repair Notes
Check shift module power supply. Verify shifter mechanism is functional.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0103 on Other Vehicles
Common Questions
What does code U0103 mean on a 2005-2009 Saab 9-7X?
U0103 stands for "Lost Communication with Gear Shift Control Module". Cannot communicate with the gear shift module that manages electronic shifter input.
What are the symptoms of U0103 on a Saab 9-7X?
Common symptoms of U0103 include: Shifter inoperative, Transmission stuck in park, Shift indicator not matching, Cannot select gears.
What causes U0103 on a 2005-2009 Saab 9-7X?
Common causes of U0103 include: Shift module power failure, CAN bus wiring issue, Shift module failure, Shifter cable disconnected, Fuse blown.