Error code
OBD2 U0127
OBD2U0127
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With Tire Pressure Monitor Module.
Severity
moderateCan be driven, but may trigger a warning light and affect safety features.
Summary
U0127 indicates that there is no communication between the car's OBD-II system and the tire pressure monitor module, which tracks tire pressure data.
Common Causes
- Faulty or disconnected wiring to the tire pressure monitor module
- Malfunctioning tire pressure sensor(s)
- Corrupted software in the tire pressure monitor module
Fixes
- Replace faulty wiring or tire pressure sensors as needed.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0100Lost Communication With ECM/PCM A
- U0101Lost Communication with TCM
- U0102Lost Communication with Transfer Case Control Module
- U0103Lost Communication With Gear Shift Module
- U0104Lost Communication With Cruise Control Module
- U0105Lost Communication With Fuel Injector Control Module
- U0106Lost Communication With Glow Plug Control Module
- U0107Lost Communication With Throttle Actuator Control Module
- U0108Lost Communication With Alternative Fuel Control Module
- U0109Lost Communication With Fuel Pump Control Module
- U0110Lost Communication With Drive Motor Control Module
- U0111Lost Communication With Battery Energy Control Module 'A'