Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
118
S/N DTC Meaning
350 P1442 Conversion failure of oxygen sensor regulator
351 P1450 The particulate filter upstream temperature is unreliable.
352 P1451 The signal level of particulate filter upstream temperature is relatively high.
353 P1452 The signal level of particulate filter upstream temperature is relatively low.
354 P1453 The signal level of particulate filter upstream temperature sensor is relatively high.
355 P1454 The signal level of particulate filter upstream temperature sensor is relatively low.
356 P1455 Connection failure of particulate filter differential pressure sensor hose
357 P1456 The particulate filter differential pressure sensor is unreliable.
358 P1457 Maximum characteristic differential pressure of particulate filter
359 P1458 Minimum characteristic differential pressure of particulate filter
360 P1459 Minimum deviation of particulate filter
361 P145A The signal level of particulate filter flow impedance is high.
362 P145B Maximum deviation of particulate filter smoke mass
363 P145C Minimum deviation of particulate filter smoke mass
364 P145D Maximum value of particulate filter smoke mass
365 P145E The signal level of particulate filter flow impedance is relatively high.
366 P145F The signal level of particulate filter flow impedance is relatively low.
367 P1460 The maximum differential pressure signal of particulate filter is enhanced.
368 P1461 The minimum differential pressure signal of particulate filter is enhanced.
369 P1462 The dynamic differential pressure of particulate filter is unreliable.
370 P1463 The differential pressure self-adaption of particulate filter hose is unreliable.
371 P1464 Particulate filter differential pressure error
372 P146A
The physical value of differential pressure sensor for particulate oxidation catalyst
exceeds the upper limit.
373 P146B
The physical value of differential pressure sensor for particulate oxidation catalyst
falls below the lower limit.
374 P146C CAN Signal error
375 P146D CAN Signal error
376 P1470 Nernst signal error of oxygen sensor
377 P1471 The oxygen sensor is virtually grounded.
378 P1472 The dynamic signal level of oxygen sensor is relatively low.
379 P1473 Oxygen sensor heater coupling signal fault
380 P1474 The oxygen sensor heater signal is unreliable.
381 P1475 The oxygen sensor battery voltage is relatively low.
382 P1476 The calibration signal level of oxygen sensor is relatively high.
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