Trouble Code |
Fault location / Ubicacion de Falla |
Probable cause / Causas Probables |
P2251 |
Heated oxygen sensor
(HO2S) 1, bank 1, negative current control - open circuit
Oxygen sensor (O2S) 1,
bank 1, negative current control - open circuit
Heated oxygen sensor
(HO2S) 1, bank 1 - no signal |
Wiring, HO2S
Wiring, O2S
Wiring, HO2S, ECM |
P2252 |
Heated oxygen sensor
(HO2S) 1, bank 1, negative current control - circuit low
Oxygen sensor (O2S) 1,
bank 2, negative current control - circuit low |
Wiring short to
ground, HO2S Wiring short to
ground, O2S |
P2253 |
Heated oxygen sensor
(HO2S) 1, bank 1, negative current control - circuit high
Oxygen sensor (O2S) 1,
bank 1, negative current control - circuit high |
Wiring short to
positive, HO2S Wiring short to
positive, O2S |
P2254 |
Heated oxygen sensor
(HO2S) 1, bank 2, negative current control - open circuit
Oxygen sensor (O2S) 1,
bank 2, negative current control - open circuit
Heated oxygen sensor
(HO2S) 1, bank 2 - no signal |
Wiring, HO2S
Wiring, O2S
Wiring, HO2S, ECM |
P2255 |
Heated oxygen sensor
(HO2S) 1, bank 2, negative current control - circuit low
Oxygen sensor (O2S) 1,
bank 2, negative current control - circuit low |
Wiring short to
ground, HO2S Wiring short to
ground, O2S |
P2256 |
Heated oxygen sensor (HO2S) 1, bank 2, negative
current control - circuit high Oxygen sensor (O2S) 1,
bank 2, negative current control - circuit high |
Wiring short to
positive, HO2S Wiring short to
positive, O2S |
P2257 |
Secondary air injection (AIR) system, control A - circuit low |
Wiring short to ground, AIR pump relay, AIR pump, AIR solenoid |
P2258 |
Secondary air injection (AIR) system, control A - circuit high |
Wiring short to positive, AIR pump relay, AIR pump, AIR solenoid |
P2259 |
Secondary air injection (AIR) system, control B - circuit low |
Wiring short to ground, AIR pump relay, AIR pump, AIR solenoid |
P2260 |
Secondary air injection (AIR) system, control B - circuit high |
Wiring short to positive, AIR pump relay, AIR pump, AIR solenoid |
P2261 |
Turbocharger (TC) bypass valve/ supercharger (SC) bypass valve |
Mechanical fault |
P2262 |
Turbocharger (TC) boost pressure not detected |
Mechanical fault |
P2263 |
Turbocharger (TC) boost pressure/ supercharger (SC) boost pressure - performance
problem |
Mechanical fault |
P2264 |
Fuel/water separator sensor - circuit malfunction |
Wiring, fuel/water separator sensor |
P2265 |
Fuel/water separator sensor - range/ performance problem |
Wiring, fuel/water separator sensor |
P2266 |
Fuel/water separator sensor - circuit low |
Wiring short to ground, fuel/water separator sensor |
P2267 |
Fuel/water separator sensor - circuit high |
Wiring short to positive, fuel/water separator sensor |
P2268 |
Fuel/water separator sensor - circuit intermittent |
Wiring, poor connection, fuel/water separator sensor |
P2269 |
Water in fuel |
Water in fuel |
P226A |
Water-in-fuel warning lamp - circuit malfunction |
Wiring, warning lamp, ECM |
P2270 |
Heated oxygen sensor
(HO2S) 2, bank 1 - signal stuck lean Oxygen sensor (O2S) 2,
bank 1 - signal stuck lean |
Wiring, HO2S, fuel
pressure, injectors, intake leak Wiring, O2S, fuel
pressure, injectors, intake leak |
P2271 |
Heated oxygen sensor
(HO2S) 2, bank 1 - signal stuck rich Oxygen sensor (O2S) 2,
bank 1 - signal stuck rich |
Wiring, HO2S, fuel
pressure, injectors, air intake restricted
Wiring, O2S, fuel
pressure, injectors, air intake restricted |
P2272 |
Heated oxygen sensor
(HO2S) 2, bank 2 - signal stuck lean Oxygen sensor (O2S) 2,
bank 2 - signal stuck lean |
Wiring, HO2S, fuel
pressure, injectors, intake leak Wiring, O2S, fuel
pressure, injectors, intake leak |
P2273 |
Heated oxygen sensor
(HO2S) 2, bank 2 - signal stuck rich Oxygen sensor (O2S) 2,
bank 2 - signal stuck rich |
Wiring, HO2S, fuel
pressure, injectors, air intake restricted
Wiring, O2S, fuel
pressure, injectors, air intake restricted |
P2274 |
Heated oxygen sensor
(HO2S) 3, bank 1 - signal stuck lean Oxygen sensor (O2S) 3,
bank 1 - signal stuck lean |
Wiring, HO2S, fuel
pressure, injectors, intake leak Wiring, O2S, fuel
pressure, injectors, intake leak |
P2275 |
Heated oxygen sensor
(HO2S) 3, bank 1 - signal stuck rich Oxygen sensor (O2S) 3,
bank 1 - signal stuck rich |
Wiring, HO2S, fuel
pressure, injectors, air intake restricted
Wiring, O2S, fuel
pressure, injectors, air intake restricted |
P2276 |
Heated oxygen sensor
(HO2S) 3, bank 2 - signal stuck lean Oxygen sensor (O2S) 3,
bank 2 - signal stuck lean |
Wiring, HO2S, fuel
pressure, injectors, intake leak Wiring, O2S, fuel
pressure, injectors, intake leak |
P2277 |
Heated oxygen sensor
(HO2S) 3, bank 2 - signal stuck rich Oxygen sensor (O2S) 3,
bank 2 - signal stuck rich |
Wiring, HO2S, fuel
pressure, injectors, air intake restricted
Wiring, O2S, fuel
pressure, injectors, air intake restricted |
P2278 |
Heated oxygen sensor (HO2S) 3, bank 1/heated oxygen
sensor (HO2S) 3, bank 2 - signals transposed
Oxygen sensor (O2S) 3,
bank 1/oxygen sensor (O2S) 3, bank 2 - signals transposed |
Wiring
Wiring |
P2279 |
Intake air leak |
Mechanical fault |
P2280 |
Air leak/blockage between air filter and mass air flow (MAF) sensor |
Mechanical fault |
P2281 |
Air leak between mass
air flow (MAF) sensor and throttle body Turbocharger (TC) boost
control position sensor - circuit malfunction
Engine blower fan - no
signal |
Mechanical fault
Wiring, short to
positive, short to ground, TC boost control position sensor
Wiring, engine
blower fan, engine blower fan relay, ECM |
P2282 |
Air leak between throttle body and intake valves |
Mechanical fault |
P2283 |
Injector control pressure sensor - circuit malfunction |
Wiring, injector control pressure sensor |
P2284 |
Injector control pressure sesor - range/ performance problem |
Wiring, injector control pressure sensor |
P2285 |
Injector control pressure sensor - circuit low |
Wiring short to ground, injector control pressure sensor |
P2286 |
Injector control pressure sensor - circuit high |
Wiring short to positive, injector control pressure sensor |
P2287 |
Injector control pressure sensor - circuit intermittent |
Wiring, poor connection, injector control pressure sensor |
P2288 |
Injector control pressure - pressure too high |
Fuel pressure regulator, injector control pressure sensor |
P2289 |
Injector control pressure, engine off - pressure too high |
Fuel pressure regulator |
P2290 |
Injector control pressure - pressure too low |
Fuel pressure regulator, injector control pressure sensor |
P2291 |
Injector control pressure, engine cranking - pressure too low |
Fuel pressure regulator, injector control pressure sensor |
P2292 |
Injector control pressure - erratic |
Fuel pressure regulator, injector control pressure sensor |
P2293 |
Fuel pressure regulator 2 - performance problem |
Wiring, fuel pressure regulator |
P2294 |
Fuel pressure regulator 2 - circuit malfunction |
Wiring, fuel pressure regulator |
P2295 |
Fuel pressure regulator 2 - circuit low |
Wiring short to ground, fuel pressure regulator |
P2296 |
Fuel pressure regulator 2 - circuit high |
Wiring short to positive, fuel pressure regulator |
P2297 |
Heated oxygen sensor
(HO2S) 1, bank 1 - signal out of range during deceleration
Oxygen sensor (O2S) 1,
bank 1 - signal out of range during deceleration |
HO2S, intake leak,
exhaust leak, injectors O2S, intake leak,
exhaust leak, injectors |
P2298 |
Heated oxygen sensor
(HO2S) 1, bank 2 - signal out of range during deceleration
Oxygen sensor (O2S) 1,
bank 2 - signal out of range during deceleration |
HO2S, intake leak,
exhaust leak, injectors O2S, intake leak,
exhaust leak, injectors |
P2299 |
Brake pedal position (BPP) switch/ accelerator pedal position (APP) sensor -
signals incompatible |
Wiring, BPP switch, APP sensor |
P2300 |
Ignition coil A, primary circuit - circuit low |
Wiring short to ground, ignition coil |