A comprehensive guide to the fault codes for your Acura MDX

P0101 – Mass airflow sensor signal output for a permissible range
P0102 – Mass air flow sensor circuit low
P0103 – Mass air flow sensor circuit high
P0106 ​​- Absolute pressure sensor signal output beyond permissible range
P0107 – Inlet air absolute pressure sensor circuit low
P0108 – Intake Air Absolute Pressure Sensor Circuit High
P0112 – Air Temperature Sensor Circuit Low Level
P0113 – High signal level of air temperature sensor circuit
P0116 – Coolant temperature sensor signal output for a permissible range
P0117 – Coolant Temperature Sensor Circuit Low Circuit Low
P0118 – Coolant Temperature Sensor Circuit High Circuit High
P0121 – Throttle position sensor output signal beyond permissible range
P0122 – Throttle Position Sensor Circuit Low Voltage
P0123 – Throttle Position Sensor Circuit High
P0130 – O2 sensor circuit defective
P0131 – Low oxygen sensor No. 1 signal, to neutralizer
P0132 – High oxygen sensor No. 1 signal, to neutralizer
P0133? – Slow response to enrichment or depletion by oxygen sensor No. 1
P0134 – O2 Sensor Circuit Open
P0135 – O2 Sensor Heater Malfunction
P0136 – O2 Sensor Circuit Malfunction
P0137 – Low oxygen sensor No. 2 signal (after neutralizer)
P0138 – High oxygen sensor signal No. 2 (after neutralizer)
P0140 – O2 Sensor Circuit Open Circuit Open
P0141 – O2 Sensor Heater Malfunction
P0171 – Fuel supply system too poor
P0172 – Fuel supply system too rich
P0200 – Injector control circuit faulty
P0201 – Injector control circuit 1 open
P0202 – Injector 2 control circuit disconnected
P0203 – Breakage of injector control circuit 3
P0204 – Breakage of injector control circuit 4
P0217 – Engine Cooling System Overheated
P0219 – Excessive engine speed exceeded
P0222 – Throttle Position Sensor Circuit 2 Circuit Low
P0223 – Throttle Position Sensor Circuit High No.2
P0230 – Fuel pump relay control circuit fault
P0261 – Short circuit to ground of injector control circuit 1
P0262 – Short circuit to the fuel circuit or an open circuit in the injector 1
P0263 – Nozzle driver 1 defective
P0264 – Short circuit to ground of injector control circuit 2
P0265 – Short circuit to the fuel circuit or an open circuit in the injector 2
P0266 – The injector driver 2 is defective
P0267 – Short circuit to ground of injector control circuit 3
P0268 – Short circuit to the fuel circuit or an open circuit in the injector 2
P0269 – Nozzle driver 3 defective
P0270 – Short circuit to earth of injector control circuit 4
P0271 – Short circuit to the fuel circuit or an open circuit in the injector 4
P0272 – Injector 4 driver defective
P0297 – Vehicle speed exceeded
P0300 – Random / Multiple Ignition Blankets
P0301 – Ignition misfires in cylinder 1
P0302 – Ignition misfires in cylinder 2
P0303 – Ignition misfires in cylinder 3
P0304 – Ignition misfires in cylinder 4
P0325 – Knock Sensor Circuit Open
P0327 – Knock Sensor Circuit Low Level
P0328 – Knock Sensor Circuit High Level
P0335 – Crankshaft Position Sensor Circuit Malfunction
P0336 – Crankshaft Position Sensor Signal Out of Range
P0337 – Crankshaft Position Sensor Circuit Short to Ground
P0338 – Crankshaft Position Sensor Circuit Open
P0340 – Camshaft Position Sensor Circuit Malfunction (Phase Sensor)
P0342 – Camshaft Position Sensor Circuit Low Voltage (Phase Sensor)
P0343 – Camshaft Position Sensor Circuit High Signal (Phase Sensor) High
P0351 – Ignition coil primary circuit 1
P0352 – Ignition coil primary circuit breakage 2
P0353 – Ignition coil primary circuit interruption 3
P0354 – Ignition coil primary circuit interruption 4
P0422 – The effectiveness of the neutralizer is below acceptable
P0441 – Incorrect air flow through the purge valves of the adsorber
P0443 – Adsorber purge valve control circuit malfunction
P0444 – Short circuit to the board or an open in the control circuit of the purge valve of the adsorber
P0445 – Short circuit to the mass of the control circuit of the purge valve of the adsorber
P0480 – Fan relay control circuit no. 1
P0481 – Fan control relay no. 2
P0500 – No signal from vehicle speed sensor
P0501 – Speed ​​Sensor Circuit Malfunction
P0503 – Intermittent Speed ​​Sensor Signal
P0505 – Idle Speed ​​Control Circuit Malfunction
P0506 – Low idling speed (Idling governor is locked)
P0507 – High idle speed (idle control is locked)
P0508 – Idling speed control circuit short circuit to ground
P0509 – Short circuit of control circuit of stepping regulator of idling on board
P0511 – Open-circuit stepper control circuit open
P0560 – The voltage of the system is below the operating threshold
P0562 – Undervoltage of the on-board network
P0563 – Overvoltage of the on-board network
P0572 – Brake Pedal Switch A: Low Signal
P0573 – Brake pedal switch A: high signal level
P0601 – Controller ROM fault
P0602 – Controller Controller Fault
P0603 – Controller’s internal RAM failure
P0604 – The controller’s external RAM fault
P0615 – Starter relay control circuit open
P0616 – Short to ground of the starter relay control circuit
P0617 – Short to starter control relay control circuit
P0627 – Open circuit for control of the petrol pump relay
P0628 – Short to ground of the control circuit of the petrol pump relay
P0629 – Short to the control circuit of the petrol pump relay control circuit
P0630 – VIN code storage fault or vehicle VIN code not recorded in the controller
P0645 – Air Conditioning Clutch Relay Control Circuit Open
P0646 – Short to ground of the clutch relay circuit of the air conditioner
P0647 – Short circuit on the air conditioner clutch relay circuit
P0650 – Lamp circuit failure “Check engine”
P0654 – Dashboard tachometer circuit malfunction
P0685 – Main control relay open
P0687 – Control circuit short circuit on main relay
P0688 – Breakage of the power circuit from the output of the main relay
P0690 – Short circuit to the power circuit of the main relay
P0719 – Brake pedal switch B: low signal level
P0724 – Brake pedal switch B: high signal level
P0831 – Clutch pedal switch A: low signal level
P0832 – Clutch pedal switch A: high signal level
P1102 – Low resistance of the oxygen sensor heater No. 1
P1115 – O2 Sensor Heater Control Circuit Malfunction
P1123 – Mixture “rich” – additive correction of fuel-air mixture by air exceeds the established threshold
P1124 – Mixture “poor” – additive correction of the fuel-air mixture by air exceeds the established threshold
P1127 – “Rich” mixture – multiplicative correction of the composition of the fuel-air mixture exceeds the established threshold
P1128 – Mixture “poor” – multiplicative correction of the composition of the fuel-air mixture exceeds the established threshold
P1135 – O2 Sensor Heater Malfunction
P1136 – “Rich” mixture – additive correction of the fuel / air mixture for fuel exceeds the established threshold
P1137 – Mixture “poor” – additive correction of the fuel-air mixture for fuel exceeds the established threshold
P1140 – Invalid air flow sensor signal
P1141 – O2 Sensor Heater Malfunction
P1171 – Low level of the CO-potentiometer signal
P1172 – High level of CO-potentiometer signal
P1386 – Error of internal test of the detonation channel
P1410 – Short circuit to the board or an open in the control circuit of the purge valve of the adsorber
P1425 – Short circuit to the mass of the control circuit of the purge valve of the adsorber
P1426 – Disconnection of the control circuit of the purge valve of the adsorber
P1500 – Open circuit for control of the petrol pump relay
P1501 – Short to ground of the control circuit of the petrol pump relay
P1502 – Short circuit to the fuel circuit breaker circuit or open circuit
P1509 – Idle speed control circuit overload
P1513 – Short to ground of the control circuit of the idle speed regulator
P1514 – Short circuit to the busbar or an open circuit for the control of the idle speed controller
P1541 – Open circuit for control of the petrol pump relay
P1570 – No response from the MTA (immobilizer) or an open circuit
P1571 – An unregistered electronic key was used
P1572 – Antenna breakage of the immobilizer antenna
P1573 – Internal malfunction of the APS unit (immobilizer)
P1600 – No connection to the MTA (immobilizer)
P1601 – No connection to the MTA (immobilizer)
P1602 – Electrical system voltage dropout
P1603 – EEPROM of the controller
P1606 – Invalid rough road sensor signal
P1612 – Controller reset error
P1616 – Rough Road Sensor Signal Low
P1617 – High signal level of the rough road sensor
P1620 – Controller ROM fault
P1621 – Controller Controller Fault
P1622 – EEPROM of the controller
P1632 – Malfunction of a spring 1 of the electric drive throttle заслонки
P1633 – Malfunction of the throttle valve actuator spring 2
P1634 – Malfunction of the throttle valve adaptation procedure
P1635 – Malfunction of adaptation procedure of the closed position of the electric drive throttle заслонки
P1636 – Malfunction of the adaptation procedure for the de-energized position of the throttle actuator
P1640 – Access to the EEPROM controller
P1689 – Incorrect error codes in the controller memory
P1750 – Short to the No. 1 control circuit of the No-load Torque Control
P1751 – Open circuit no. 1 of the no-load torque controller
P1752 – Short to ground on chain No. 1 of the no-load torque control
P1753 – Short circuit to the control circuit No. 2 of the idle speed control
P1754 – Open circuit no. 2 of the no-load moment controller
P1755 – Short to ground of control circuit No. 2 of the no-load moment controller
P2104 – Throttle Control Motor Control System: Limiting the Operation of the ICE by the OMHV Mode
P2105 – Throttle Actuator Control System: prohibit the operation of the internal combustion engine
P2106 – Throttle Actuator Control System: Power Limit
P2110 – Throttle Actuator Control: Speed ​​Limit
P2112 – Throttle actuator control system: Positioner error in opening direction
P2113 – Throttle actuator control system: Position controller error in closing direction
P2122 – Low signal level of accelerator pedal position sensor No.1
P2123 – Accelerator Pedal Position Sensor Low Voltage # 1
P2127 – High signal level of accelerator pedal position sensor No.2
P2128 – High signal level of accelerator pedal position sensor No.2
P2135 – Throttle Position Sensor Correlation Error
P2138 – Accelerator Pedal Position Sensor Correlation Error
P2299 – Error of the pedal position sensor
P2301 – Euro-2: Ignition coil circuit short circuit on the board 1
P2303 – Euro-2: Short circuit to the ignition coil circuit 2
P2305 – Euro-2: Ignition coil circuit short circuit on the board 3
P2307 – Euro-2: Ignition coil circuit short circuit on the board 4
P2301 – Euro-3: Ignition coil circuit short circuit on the board 1
P2304 – Euro-3: Ignition coil circuit short circuit on the board 2
P2307 – Euro-3: Ignition coil circuit short circuit on the board 3
P2310 – Euro-3: Ignition coil circuit short circuit on the board 4