Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
123
S/N DTC Meaning
513 P168C CJ945 Power level is short to battery.
514 P168D CJ945 Power level is short to ground.
515 P168E CJ945 Power level is short to ground.
516 P1700 Unreliable clutch signal / Clutch signal error
517 P1710 Overheating of engine speed sensor
518 P1720 Transmission neutral position signal
519 P2002 The particulate oxidation catalyst device is removed.
520 P2004 Overcurrent of EGR valve bridge-H based on temperature
521 P2008 EGR valve circuit is open.
522 P2009 EGR valve circuit is short to ground.
523 P2010 EGR valve circuit is short to power supply.
524 P2014 Under-voltage of EGR valve bridge-H
525 P2015 The turbocharger control valve is stuck.
526 P2072 The throttle valve is frozen.
527 P2076 An error is reported when the EGR valve is stuck in closing or opening.
528 P2077 The signal level of swirl valve position sensor is relatively low.
529 P2078
The signal level measured by the variable swirl valve position sensor is above the
limit.
530 P207A Overtemperature of EGR valve bridge-H chip
531 P207B The short-term jitter of EGR valve exceeds the limit.
532 P2100 Open circuit of throttle bridge-H
533 P2101 Overcurrent of throttle bridge-H
534 P2102 Output circuit 1 of throttle bridge-H is short to ground.
535 P2103 Output circuit 1 of throttle bridge-H is short to battery.
536 P2135 Signals of accelerator pedal position sensor 1 and 2 are unreliable.
537 P213A Open circuit of EGR valve bridge-H
538 P213B Overload of EGR valve bridge-H
539 P213C The Port 2 of EGR valve bridge-H chip is short to ground.
540 P213D The Port 2 of EGR valve bridge-H chip is short to ground.
541 P2141 The Port 1 of EGR valve bridge-H chip is short to ground.
542 P2142 The Port 1 of EGR valve bridge-H chip is short to power supply.
543 P2146 Short circuit
544 P2149 Short circuit
545 P2157 Unreliable vehicle speed signal
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