Error code
OBD2 P0865
OBD2P0865
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
TCM Communication Circuit Low.
Severity
moderateCan drive, but may experience shifting problems.
Summary
P0865 indicates a low input communication issue in the transmission control module (TCM) circuit.
Common Causes
- Wiring issues
- Short to earth
Fixes
FAQ
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