Error code
OBD2 P0815
OBD2P0815
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Upshift Switch Circuit.
Severity
moderateCan drive but shifting may be delayed or erratic.
Summary
P0815 indicates an issue with the upshift switch circuit, which is part of the transmission control system.
Common Causes
- Poor wiring connection
- Faulty upshift switch
- ECM/PCM or TCM malfunction
Fixes
- Repair or replace the faulty upshift switch and related wiring.
FAQ
What does P0815 mean?
P0815 indicates a malfunction in the circuit of the upshift switch, which is part of your transmission control system.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
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- 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