Volvo All Fault Codes

System:

AW 30-43 / AW 50-42

Mode: 1

111 – Faults are not detected by the diagnostic system.

112 – Short to power in the electromagnet S1.

113 – Faulty gearbox control unit.

114 – Open circuit or short circuit to the power supply in the mode switch.

121 – Short to ground in solenoid S1 or malfunction of the control unit.

122 – Open circuit in the electromagnet S1.

123 – Short to power on the electromagnet STH.

124 – Malfunction or short circuit to ground in the mode switch.

131 – Open circuit, short circuit to ground in the electromagnet STH or a malfunction of the control unit.

132 – Malfunction in gearbox control unit.

134 – Incorrect load signal from the fuel system.

141 – Short to ground in the oil temperature sensor.

142 – Open circuit in the oil temperature sensor.

143 – Malfunction or short circuit to ground for the kick-down switch.

211 – Malfunction of the gearbox control unit.

212 – Short to power in the electromagnet S2.

213 – Throttle position signal too high.

221 – Short to ground in solenoid S2 or malfunction of the control unit.

222 – Open circuit in the electromagnet S2.

223 – Throttle position signal is too low.

231 – Irregular throttle position signal.

232 – No speedometer signal.

233 – Invalid speedometer signal.

235 – Oil temperature too high.

245 – Short circuit or open circuit in the signal to reduce torque.

311 – No signal frequency rotation of the engine crankshaft with gearbox.

312 – Incorrect speed signal of the engine crankshaft with gearbox.

313 – Wrong signal from the selected gear sensor.

321 – Shifting too slow.

322 – Incorrect gear ratio.

323 – Locking clutch slips or does not turn on.

331 – Short to power in the electromagnet SL.

332 – Open circuit in the electromagnet SL or malfunction of the control unit.

333 – Short to ground in the SL electromagnet or malfunction of the control unit.

Mode: 2

144 – Gear selector in position R is OK.

214 – Gear selector in position D is OK.

224 – Gear selector in position 3 – fine.

234 – Gear selector in position L – OK.

241 – Gear selector in position N is OK.

242 – Gear selector in position P is OK.

243 – Undefined signal from the mode switch.

244 – The position of the economy mode – in order.

314 – The position of the sport mode is in order.

324 – The position of the winter mode is in order.

334 – Brake light switch is OK.

341 – The kickdown function switch is OK.

Mode: 3

The electromagnet S1 is operating.

The electromagnet S2 is triggered.

The electromagnet SL is triggered.

The electromagnet STH triggers.

The indicator LED in the instrument cluster flashes.

The engine fault indicator light flashes.

At idle, compensation signals are checked for driving and torque control.

The engine speed changes.

Mode: 4

311 – Normal speed.

312 – Double speed.

313 – Tenfold speed.

342 – Electromagnet S1.

343 – Electromagnet S2.

344 – Electromagnet SL.

411 – Electromagnet STH.

412 – Indicator lamp.

414 – Compensation for movement (P and N)

422 – Torque control (TC2)

423 – Torque control (TC1)

431 – Engine Fault Indicator Light.

432 – Torque Control (TCT)

Mode: 5

115 – oil temperature

125 – Throttle signal pattern

135 – On Time Character

424 – Speed

434 – Gearbox Shaft Speed

444 – Throttle opening degree

Mode: 6

125 – Reset Throttle Signal.

135 – Reset the on time.

Fuel system (A2)

Systems:

LH 2.4 MFI

LH 3.2 MFI

REGINA MFI

MOTRONIC 1.8 MFI

MOTRONIC 4.3 MFI

FENIX 5.2 MFI

Mode: 1

111 – Faults are not detected by the diagnostic system.

112 – The engine control unit is faulty.

113 – FENIX 5.2,

LH 3.2: Upper limit of short-term adaptive fuel control.

LH 2.4, REGINA: Upper or lower limit of short-term adaptive fuel control.

MOTR. 1.8: Nozzle group 1, the signal is not true.

115 – MOTR.1.8: Nozzle group 2, the signal is not true.

 

FENIX 5.2, MOTR.4.3: Cylinder 1 nozzle, signal not true.

121 – LH 3.2,

LH 2.4, MOTR. 1.8, MOTR. 4.3 Missing or incorrect mass air flow sensor signal.

FENIX 5.2, REGINA: Missing or invalid manifold absolute pressure sensor signal.

122 – Incoming air temperature sensor signal is missing or incorrect.

123 – The signal from the engine coolant temperature sensor is missing or incorrect.

125 – Cylinder 2 nozzle, wrong signal.

131 – LH 3.2, LH 2.4: There is no crankshaft speed signal from the ignition control module.

 

MOTR.1.8, MOTR. 4.3: There is no signal from the rotational speed of the shaft shaft.

132 – Battery voltage too high or too low.

133 – Incorrect throttle switch signal at idle.

135 – Cylinder 3 nozzle, wrong signal.

143 – Missing or invalid front knock sensor signal.

144 – Missing or invalid load signal.

145 – Cylinder 4 nozzle, wrong signal.

152 – Air pump signal missing or incorrect.

153 – Missing or invalid rear oxygen probe signal.

154 – EGR leakage.

155 – Cylinder 5 nozzle, wrong signal.

211 – Potency signal CO is missing or incorrect.

212 – LH 3.2, LH 2.4, MOTR. 1.8, FENIX 5.2, REGINA: Oxygen probe signal is missing or incorrect.

 

MOTR. 4.3: Missing or incorrect front oxygen probe signal.

213 – Wrong throttle switch signal at full load.

214 – FENIX 5.2: Crankshaft speed sensor signal.

MOTR. 1.8, MOTR. 4.3: The crankshaft speed sensor signal is interrupted.

221 – REGINA: Upper or lower limit of long-term adaptive fuel control.

FENIX 5.2, LH 3.2, LH 2.4, MOTR. 1.8: Upper limit of long-term adaptive fuel control in the range of partial loads.

222 – REGINA: System relay signal is missing or incorrect.

 

FENIX 5.2: Missing or invalid main relay signal.

223 – REGINA, FENIX 5.2, LH 3.2, LH 2.4,

MOTR. 1.8: Missing or invalid idler valve signal.

MOTR. 4.3: Missing or invalid signal to open the idle air valve.

225 – FENIX 5.2, MOTR. 4.3: Air conditioning pressure sensor signal is missing or incorrect.

231 – FENIX 5.2, LH 3.2, MOTR. 1.8: Lower limit of long-term adaptive fuel control in the range of partial loads.

LH 2.4, MOTR. 4.3, REGINA: Upper or lower limit of long-term adaptive fuel control in the range of partial loads.

232 – FENIX 5.2, LH 3.2, MOTR. 1.8: Upper limit of long-term adaptive fuel control at idle.

LH 2.4, MOTR.4.3, REGINA: Upper or lower limit of long-term adaptive fuel control at idle.

233 – Long-term adaptive air regulation at idle is outside the control range.

235 – Missing or invalid EGR controller signal.

241 – Incorrect flow in the EGR system.

243 – The signal voltage of the throttle position sensor is outside the normal range.

245 – Missing or invalid signal to open the idle air valve.

311 – No speedometer signal.

312 – There is no signal from the ignition system about the enrichment of the mixture for suppressing detonation.

313 – Missing or invalid signal from EVAP valve.

314 – Missing or invalid camshaft position sensor signal.

315 – EVAP system.

321 – A cold engine start valve signal is missing or shorted to ground.

322 – Sensor burn signal too low mass air flow meter.

323 – The signal of the engine malfunction indicator light is incorrect.

325 – Failure of the storage device.

335 – Request to turn on the engine malfunction indicator light with AW 50-42.

342 – Incorrect control signal of the air conditioning relay.

343 – Invalid fuel pump relay control signal.

344 – Exhaust gas temperature sensor signal missing or incorrect.

411 – The signal voltage of the throttle position sensor is outside the normal range.

412 – Short circuit in the throttle full open switch.

413 – EGR sensor signal is missing or incorrect.

414 – Boost pressure control, boost pressure too high.

416 – Reduced boost pressure on request with AW 50-42.

425 – Rear oxygen probe, adjustment.

432 – High temperature inside the control box, level 1.

433 – Missing or invalid rear knock sensor signal.

435 – Inertness front oxygen probe.

436 – Rear oxygen probe, maximum compensation.

442 – Air pump relay signal is missing or incorrect.

443 – Low catalytic converter efficiency.

444 – Acceleration sensor.

451 – Ignition admission, increase in toxicity of exhaust gases of cylinder 1

452 – Misfire, increase cylinder 2 exhaust emissions

453 – Misfire, increase cylinder 3 exhaust emissions

454 – Misfire, increase cylinder 4 exhaust emissions

455 – Misfire, increase cylinder 5 exhaust emissions

511 – Lower limit of long-term adaptive fuel control at idle.

512 – The lower limit of short-term adaptive fuel control.

513 – High temperature inside the control box, level 2.

514 – The radiator fan does not work at low speed.

515 – The radiator fan does not work at full speed.

521 – FENIX 5.2, The heating of the oxygen probe is defective.

MOTR. 4.3: Front oxygen probe defective.

522 – Rear oxygen probe defective.

523 – Short circuit to the power supply signal to the fan box control units.

524 – Wrong torque control signal to the gearbox.

531 – Power cascade, group A.

532 – Power cascade, group B.

533 – Power cascade, group C.

534 – Power cascade, group D.

535 – Turbocharger control valve.

541 – EVAP valve.

542 – Ignition skip level in more than one cylinder.

543 – Ignition skip level in at least one cylinder.

544 – Catalytic converter damage due to misfire in more than one cylinder.

545 – Damage to the catalytic converter due to misfire at least in one cylinder.

551 – Catalytic converter damage due to misfire in cylinder 1.

552 – Damage to the catalytic converter due to misfire in cylinder 2.

553 – Damage to the catalytic converter due to misfire in cylinder 3.

554 – Damage to the catalytic converter due to misfire in the cylinder 4.

555 – Damage to the catalytic converter due to misfire in the cylinder 5.

Mode: 2

114 – Air conditioning control is OK.

124 – On on / off P / N gear selector position is OK.

134 – Starting the air conditioning compressor – in order.

141 – Crankshaft Frequency Sensor Signal OK.

331 – The engine crankshaft speed signal from the ignition control module is OK.

332 – FENIX 5.2, LH 3.2: Throttle position sensor at idle – OK.

MOTR. 1.8, MOTR. 4.3: Throttle position sensor at idle – OK.

LH 2.4, REGINA: Idle Throttle Switch – OK.

333 – FENIX 5.2, LH 3.2, MOTR. 1.8, MOTR. 4.3: The throttle position sensor when fully open is OK.

LH 2.4, REGINA: The throttle switch when fully open is OK.

 

342 – Camshaft position sensor – OK.

343 – Speedometer sensor – in order.

Mode: 3

LH 2.4

Warning: Be prepared for a possible start of the radiator fan (only for cars with air conditioning, does not apply to 240).

 

The radiator fan runs at low speed for 3 seconds (only for cars with air conditioning, does not apply to 240).

The radiator fan runs at full speed for 3 seconds (only for cars with air conditioning, does not apply to 240).

Injectors operate with a frequency of 13 Hz.

The air valve is idling with a frequency of 1 Hz.

The EVAP filter solenoid valve operates at a frequency of 2 Hz.

(only for 16-valve engines).

The cold start injector operates at a frequency of 13 Hz. (Only for engines with two valves per cylinder).

LH 3.2 The air pump relay is activated.

The air pump valve is activated.

The nozzles are operated at a frequency of 13 Hz.

The air valve is idling with a frequency of 1 Hz.

MOTR. 1.8

Warning: Be prepared for a possible start of the radiator fan.

The EGR controller operates at a frequency of 2.5 Hz.

The air pump operates.

The radiator fan runs at low speed for 3 seconds.

The radiator fan runs at full speed for 3 seconds.

The nozzles are operated at a frequency of 13 Hz.

The air valve is idling with a frequency of 1 Hz.

The air conditioning relay operates at a frequency of 1 Hz.

The EGR controller operates at a frequency of 2.5 Hz.

Simulated crankshaft speed signal.

REGINA Injectors with a frequency of 13 Hz.

The air valve is idling with a frequency of 1 Hz.

The cold start valve operates at a frequency of 13 Hz.

An additional relay with a frequency of 1 Hz is activated.

Powered fuel pump.

Mode: 4

311 – FENIX 5.2 Normal speed.

312 – FENIX 5.2 Double speed.

313 – FENIX 5.2 Tenfold speed.

115 – FENIX 5.2: Nozzle, cylinder 1

125 – FENIX 5.2: Nozzle, cylinder 2

135 – FENIX 5.2: Nozzle, cylinder 3

145 – FENIX 5.2: Nozzle, cylinder 4

152 – FENIX 5.2: Air pump valve.

155 – FENIX 5.2: Nozzle, cylinder 5

222 – FENIX 5.2: Main Relay.

223 – FENIX 5.2: Idle air valve.

235 – FENIX 5.2: EGR Controller.

342 – FENIX 5.2: Air conditioning relay.

343 – FENIX 5.2: Fuel pump relay.

442 – FENIX 5.2: Air pump relay.

514 – FENIX 5.2: Radiator, low speed.

515 – FENIX 5.2: Radiator fan, full speed.

523 – FENIX 5.2: Fan control box.

ABS (A3)

Systems:

ABS 850

ABS 700/900

Mode: 1

111 – Faults are not detected by the diagnostic system.

121 – Left front wheel sensor, circuit failure below 40 km / h.

122 – Right front wheel sensor, circuit failure below 40 km / h.

123 – Left rear wheel sensor, fault below 40 km / h.

124 – Right rear wheel sensor, fault below 40 km / h.

125 – Wrong wheel sensor signal for a long time.

135 – Malfunction of the control unit.

141 – Pedal sensor malfunction, short to ground or power supply.

142 – ABS 850: Open or short in brake switch.

ABS 700/900: Open in brake switch.

143 – Malfunction of control units.

144 – Overheating of brake discs.

151 – Open or short circuit to power in the sensor of the left front wheel.

152 – Open or short circuit to power in the sensor of the right front wheel.

155 – Open or short circuit to power in the rear axle sensor.

211 – There is no signal from the left front wheel sensor when pulling away.

212 – There is no sensor signal from the right front wheel when pulling away.

213 – There is no signal from the left rear wheel sensor when pulling away.

214 – There is no signal from the sensor of the right rear wheel when pulling away.

215 – Open or short circuit to valve relays.

221 – There is no sensor signal of the left front wheel when ABS is activated.

222 – There is no signal from the sensor of the right front wheel when ABS is activated.

223 – There is no signal from the left rear wheel sensor when ABS is activated.

224 – There is no signal from the sensor of the right rear wheel when ABS is activated.

231 – Left front wheel sensor signal missing.

232 – Right front wheel sensor signal missing.

235 – Rear axle sensor signal missing.

311 – Open circuit or short circuit in the sensor of the left front wheel.

312 – Open or short circuit in the sensor of the right front wheel.

313 – Open or short circuit in the sensor of the left rear wheel.

314 – Open or short circuit in the sensor of the right rear wheel.

321 – Periodically repeated failure of the left front wheel sensor at a speed of more than 40 km / h.

322 – Periodically repeated failure of the sensor of the right front wheel at a speed of more than 40 km / h.

323 – Periodically repeated failure of the left rear wheel sensor at a speed exceeding 40 km / h.

324 – Periodically repeated failure of the sensor of the right rear wheel at a speed of more than 40 km / h.

411 – ABS 850: Open or short circuit in the input valve of the left front wheel.

ABS 700/900: Open or short in the left front wheel valve.

412 – ABS 850: Open or short circuit in the left front wheel non-return valve.

413 – ABS 850: Open or short in the right front wheel inlet valve.

ABS 700/900: Open or short in the right front wheel valve.

414 – Open or short in the right front wheel non-return valve.

415 – Open or short circuit in the rear valve.

421 – Open or short circuit in the rear inlet valve.

422 – Open or short circuit in the rear non-return valve.

423 – Open or short in TRACS valve.

424 – Open or short circuit in the TRACS pressure sensor.

441 – Malfunction of the control unit.

442 – Pump pressure too low.

443 – ABS 850: Electrical or mechanical failure of the pump motor.

ABS 700/900: Electrical or mechanical failure of the motor / pump relay.

444 – No power supply to the valves of the hydraulic unit.

 

Mode: 4

311 – Normal speed.

312 – Double speed.

313 – Tenfold speed.

TURBOCHARGES CONTROL (A5)

Mode: 1

111 – Faults are not detected by the diagnostic system.

242 – Missing or invalid turbocharger control valve signal.

312 – There is no detonation signal from the ignition control unit.

342 – Missing or invalid air conditioning relay lock signal.

421 – In the control unit, the wrong pressure signal turbocharger.

423 – The voltage of the throttle position sensor signal is outside the normal range.

424 – Missing or incorrect load signal from the fuel system control unit.

431 – Missing or incorrect signal from the coolant temperature sensor in the radiator.

 

Mode: 3

Warning: Be prepared for a possible start of the radiator fan.

The fan runs at low speed for 3 seconds.

The LED is constantly on.

The fan runs at full speed for 3 seconds.

The LED is constantly on.

The turbocharger control valve is triggered at a frequency of 2 Hz.

The conditioner lockout relay operates at a frequency of 1 Hz.

IGNITION SYSTEM (A6)

Systems:

EZ 129K

EZ 116K

Mode: 1

111 – Faults are not detected by the diagnostic system.

112 – Malfunction of the ignition control unit.

123 – The engine coolant temperature signal is missing or incorrect in the engine control unit.

131 – No crankshaft speed sensor signal.

142 – Malfunction of the ignition control unit.

143 – EZ 129K: Missing or incorrect front knock sensor signal.

EZ 116K, REX: Missing or invalid knock sensor signal.

144 – There is no load signal from the engine control unit.

154 – EGR leakage.

214 – The crankshaft speed sensor signal is interrupted.

224 – Missing or incorrect signal from the engine coolant temperature sensor.

234 – No signal throttle switch at idle.

241 – Incorrect flow in the EGR system.

243 – Missing or invalid throttle position sensor signal.

311 – The speedometer sensor signal is missing or incorrect.

314 – Missing or invalid camshaft position sensor signal.

324 – The camshaft position sensor signal is interrupted.

411 – The throttle position sensor signal from the fuel system control unit is missing or incorrect.

413 – Incorrect sensor signal temperature of the EGR system.

432 – High temperature inside the control box, level 1.

433 – Missing or invalid rear knock sensor signal.

513 – High temperature inside the control box, level 2.

Mode: 2

141 – The crankshaft speed sensor signal is OK.

334 – Throttle switch in idle position – OK.

342 – Camshaft position sensor – OK.

343 – Vehicle speed signal is OK.

344 – Throttle Position Sensor – OK.

Mode: 3

EZ 129K

Warning: Be prepared for a possible start of the radiator fan.

Adjustable intake manifold solenoid valve with a frequency of 2 Hz. (1993 model year)

The radiator fan runs at low speed for 3 seconds (15 seconds before the 1992 model year).

The radiator fan runs at full speed for 3 seconds (15 seconds before the 1992 model year).

Works EGR controller with a frequency of 2.5 Hz.

The solenoid valve of the adjustable intake manifold with a frequency of 2 Hz (1992 model year) operates.

Simulated crankshaft rotation signal with a frequency of 50 Hz.

EZ 116K EGR controller with a frequency of 2 Hz.