Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
FORD
Reported code forms P0340
FORD: DUE TO AN AFTERMARKET POWERTRAIN CONTROL MODULE (PCM) SOFTWARE PROGRAM INSTALLED, NON-FORD, MALFUNCTION INDICATOR LAMP (MIL) WILL COME ON, WITH SEVERAL DIAGNOSTIC TROUBLE CODES (DTCS) P00C2, P0340. MODEL 2013-2014…
FORD
Reported code forms P0340
FORD: DUE TO A POSSIBLE NON FORD AFTERMARKET PCM SOFTWARE PROGRAM INSTALLED, MALFUNCTION INDICATOR LAMP (MIL) IS ON AND DIAGNOSTIC TROUBLE CODES (DTC) P00C2, P0340 IS ACCOMPANIED BY P2228 IN POWERTRAIN CONTROL MODULE…
FORD, LINCOLN, MERCURY
Reported code forms P0340
DIAGNOSTIC TROUBLE CODES P0340/P0344/P0345/P0349 - 4.6L 3V AND 5.4L 3V. *TT
FORD, LINCOLN
Reported code forms P0340
DIAGNOSTIC TROUBLE CODE (DTC) P0340 AND OR P0344-5.4 3V ENGINE. *SC
FORD, MERCURY
Reported code forms P0340
INCORRECTLY INSTALLED GEAR DRIVEN CAMSHAFT POSITION (CMP) SENSOR SYNCHRONIZER ASSEMBLIES CAUSING SURGE, LOST OF POWER, MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODES P1336, P1309 AND P0340. *TT
FORD, LINCOLN, NISSAN DIESEL
Reported code forms P0340
A CONDITION MAY EXIST WHERE THE MALFUNCTION INDICATOR LAMP IS ON WITH DIAGNOSTIC TROUBLE CODE P0340 (CAMSHAFT POSITION (CMP) SENSOR A CIRCUIT) STORED, ACCOMPANIED WITH A DRIVEABILITY CONCERN. *TT
FORD, LINCOLN, MERCURY
Reported code forms P0340
DIAGNOSTIC TROUBLE CODES (DTC) P0340, P0344, P0345, P0349. ARE FOUND. *KB