Error code
OBD2 P0849
OBD2P0849
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Transmission Fluid Pressure Sensor/Switch 'B' Circuit Intermittent.
Severity
moderateCan drive but may experience shifting issues or reduced performance.
Summary
P0849 indicates an intermittent issue with the transmission fluid pressure sensor B circuit, which is located in the transmission system.
Common Causes
- Poor wiring connection
- Faulty TFP sensor B
- ECM/PCM/TCM malfunction
Fixes
- Repair wiring connections, replace faulty TFP sensor B if necessary.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0800Transfer Case Control System (MIL Request)
- P0801Reverse Inhibit Control Circuit
- P0802Transmission Control System MIL Request Circuit/Open
- P08031-4 Upshift (Skip Shift) Solenoid Control Circuit
- P08041-4 Upshift (Skip Shift) Lamp Control Circuit
- P0805Clutch Position Sensor Circuit
- P0806Clutch Position Sensor Circuit Range/Performance
- P0807Clutch Position Sensor Circuit Low
- P0808Clutch Position Sensor Circuit High
- P0809Clutch Position Sensor Circuit Intermittent
- P0810Clutch Position Control Error
- P0811Excessive Clutch Slippage