U0202moderate severityNetwork
Lost Communication with Wiper Control Module
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
Cannot communicate with the windshield wiper control module.
Symptoms
- Wipers not working
- Wiper speed not changing
- Intermittent wiper mode not working
- Rear wiper inoperative
Common causes
- Wiper module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Wiper motor failure
Diagnostic steps
- Check wiper module fuse
- Test power and ground
- Check CAN wiring
- Test wiper motor directly
- Inspect wiper switch
Repair notes
Check fuses and wiper motor. Module may be integrated into wiper motor assembly.
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Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus