Volvo 850 Trouble Codes

Also S70, V70, C70, XC70 up to/including Model Year 1998

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On Board DTC (850)	Generic OBD Code	Volvo OBD Code	Meaning of Code	Repair/Info Location (850, 1st Gen 70 Series)	Repair Info/ Location (1st Gen S/V40 &50’s)	Repair/ Info Location (P2 Cars)
A-1 Transmision
111			No faults found
112			Solenoid S1 short circuit to battery voltage
113			Transmission control module (TCM) fault
114			Program selector open circuit or short circuit to supply
121			Solenoid S1 short circuit to ground or control module fault
122			Solenoid S1 open circuit
123		[something]	Solenoid STH short circuit to battery voltage	viewtopic.php?t=16229
				viewtopic.php?p=63292
124			Mode selector faulty or short circuit to ground
131			Solenoid STH open/short circuit or control module fault
132			Transmission control module(TCM) fault
134			Faulty load signal from ignition control module
141			Oil temperature sensor short circuit to ground
142			Oil temperature sensor open circuit
143			Kickdown switch faulty or short to ground
211			Transmission control module (TCM) fault
212			S2 solenoid short circuit to battery
213			Throttle position (TPS) signal too high
221			S2 solenoid short circuit to ground or control module fault
222			S2 solenoid open circuit
223			Throttle position (TPS) sensor signal too low
231			Throttle position (TPS) sensor sporadic
232			Speedometer signal missing
233	P0500		Incorrect speedometer signal	viewtopic.php?f=1&t=17383
235			High Oil temperature
245			Open or short in Torque limiting circuit
311			RPM signal from transmission missing
312			RPM signal from transmission faulty
313			Faulty signal from gear position sensor (PNP)
321			Shift time too long
322			Incorrect gear ratio
323			Lock up slips or is not engaged
331			Short circuit to battery in SL circuit
332			SL solenoid open or control module fault
333			SL solenoid short or control module fault

A2 – Fuel System
111			No faults detected
112			Fault in ECM
115	P0201		Injector 1
121	P0102 (low), P0103 (high)		MAF sensor signal
123	P0117 (low), PO118 (high)		ECT signal
125	P0202		Injector 2
131			RPM sensor signal missing
132			Battery voltage
135	P0203		Injector 3
143	P0326		Front knock sensor signal
145	P0204		Injector 4
153	P0136 (faulty), P0137(low), P0138 (high)		Rear HO2S signal
154	P0402		EGR system leakage
155	P0205		Injector 5
212	P0130 (missing/faulty), P0131 (low), P0132 (high), P0133 (slow)		Front HO2S signal
214	P0336		RPM sensor signal sporadic
223	P1505 (low), P1506 (high)		IAC valve opening signal
225			A/C pressure sensor signal
231	P0171 (part load), P0172 (part load)		Long term fuel trim, part load
232	P0171 (lower limit)		Long term fuel trim, idling
233	P0172 (part load & upper limit)		Long term idle air trim
241	P0400		EGR system flow malfunction
245	P1507 (low), P1508 (high)		IAC valve closing signal
311			VSS signal
314			CMP sensor signal
315	P0440		EVAP system
325			Memory failure
335	P1617, P1618		Request for MIL lighting from TCM
411	P0122 (low), P0123 (high)		TP sensor signal
413	P1416 (Faulty), P1417 (Low), P1418 (High)		EGR temp sensor signal
414			Boost pressure reduction from TCM
416			Temperature warning level 1
432	P0331		Rear knock sensor signal
433	P0331		Front HO2S slow response
435	P0133 (slow),		Front HO2S slow response
436			Rear HO2S compensation
443	P0422		Three way cat. Efficiency
444	P1307 (low), P1308 (high)		Acceleration signal
451	P0301		Misfire cylinder 1
452	P0302		Misfire cylinder 2
453	P0303		Misfire cylinder 3
454	P0304		Misfire cylinder 4
455	P0305		Misfire cylinder 5
513	P1405		Temperature warning level 2
514			Engine cooling fan low speed signal
521	P0135 (low/high)		Front HO2S Preheating
522	P0141 (low/high)		Rear HO2S Preheating
531	P1101		Power stage group A
532	P1102		Power stage group B
533			Power stage group C
534			Power stage group D
535			TC control valve signal
541	P0444 (low), P0445 (high)		EVAP valve signal
542	P0300		Misfire more than one cylinder
543	P1310		Misfire at least one cylinder
544	P0300		Misfire more than one cylinder, three way cat damage
545	P1310		Misfire at least one cylinder, three way cat damage
551	P0301		Misfire cylinder 1, three way cat damage
552	P0302		Misfire cylinder 2, three way cat damage
553	P0303		Misfire cylinder 3, three way cat damage
554	P0304		Misfire cylinder 4, three way cat damage
555	P0305		Misfire cylinder 5, three way cat damage

A3 – ABS
111			No DTC set
121			Left front wheel sensor, faulty signal <40 km/h
122			Right front wheel sensor, faulty signal <40 km/h
123			Left rear wheel sensor, faulty signal <40 km/h
124			Right rear wheel sensor, faulty signal <40 km/h
125			Signal faulty from at least one wheel sensor for a long period
135			Control Module faulty
141			Faulty pedal sensor, shorted to ground or supply
142			Faulty brake pedal switch, open or short
143			Control module faulty
144			Brake discs overheated
151			Left front wheel sensor, open/short to battery
152			Right front wheel sensor, open/short to battery
155			Rear axle sensor open/short to battery
211			Left front wheel sensor, not signal on moving off
212			Right front wheel sensor, no signal on moving off
213			Left rear wheel sensor, no signal on moving off
214			Right rear wheel sensor, no signal on moving off
215			Valve relay, open/short
221			Left front wheel sensor, ABS operation signal missing
222			Right front wheel sensor, ABS operation signal missing
223			Left rear wheel sensor, ABS operation signal missing
224			Right rear wheel sensor, ABS operation signal missing
231			Left front wheel sensor, signal missing
232			Right front wheel sensor, signal missing
235			Rear axle sensor, signal missing
311			Left front wheel sensor, open/short
312			Right front wheel sensor. open/short
313			Left rear wheel sensor, open/short
314			Right rear wheel sensor, open/short
321			Left front wheel sensor, irregular >40 km/h
322			Right front wheel sensor, irregular >40 km/h
323			Left rear wheel sensor, irregular >40 km/h
324			Left rear wheel sensor, irregular >40 km/h
411			Right rear wheel sensor, irregular >40 km/h
412			Left front wheel inlet valve, open/short
413			Left front wheel return valve, open/short
414			Right front wheel inlet valve, open/short
415			Rear valve open/short
421			Right front wheel return valve, open/short
422			Rear wheel return valve circuit, open/short
423			Traction control system valve, open/short
424			Pressure switch for TRACS, faulty or short circuit
441			Control module faulty
442			Pump pressure low
443			Pump motor, electrical or mechanical fault
444			No power supply to valves in hydraulic unit

A6 – Ignition
111			No DTC set
112			Control Module fault
123			Engine Coolant Temperature Sensor (ECT) from Control module missing or faulty
131			Engine speed (RPM) sensor signal missing
142			Control Module Fault
143			Knock sensor (KS) missing or faulty
144			Ignition control module load signal missing
154			EGR system flow too high in system
214			Engine speed (RPM) sensor signal missing sporadically
224			Engine Coolant Temperature sensor (ECT) signal missing or faulty
234			Throttle Position (TPS) signal missing at idle
241			EGR system flow too low in system
243			Throttle Position sensor (TPS) signal missing at idle
311			Vehicle speed signal missing or faulty
314			Camshaft Position sensor (CMP) signal missing or faulty
324			Camshaft Position sensor (CMP) signal missing sporadically
411			Throttle position sensor (TPS) signal from fuel injection system missing or faulty
413			EGR temperature sensor signal faulty
432			Control module box temperature too high level 1
433			Knock sensor (KS) signal missing or faulty
513			Control module box temperature too high, level 2

A7 – Combined Instrument (Trip Computer)
112			Fuel gauge short circuit
113			Fuel gauge open circuit
121			Temp. sensor interval too short
122			Temp. sensor interval too long
123			Digital output 48 pulse short circuit to supply
131			Digital output 12 pulse short circuit to supply
132			No RPM sensor signal
133			Tank signal to trip computer short to supply

B1 Electronic climate control
111			No fault
121			Outside temperature sensor shorted to ground
122			Outside temperature sensor open circuit or shorted to 12 volts
123			Driver’s side interior temperature sensor shorted to ground
124			Driver’s side interior temperature sensor open circuit or shorted to 12 volts
125			Passenger’s side interior temperature sensor shorted to ground(earth)
126			Passenger’s side interior temperature sensor open circuit or shorted to 12 volts
131			Driver’s side air duct temperature sensor shorted to ground(earth)
132			Driver’s side air duct temperature sensor open circuit or shorted to 12 volts
133			Passenger’s side air duct temperature sensor shorted to ground(earth)
134			Passenger’s side air duct temperature sensor open circuit or shorted to 12 volts
135			No signal from engine coolant temperature sensor
141			Faulty signal from driver’s side temperature selector switch
143			Faulty signal from passenger’s side temperature selector switch
145			Faulty signal from function selector switch
151			Signal from fan speed sensor missing or too high
152			Signal from fan speed sensor shorted to earth
211			Driver’s side damper motor position sensor open circuit or shorted to 12 volts
212			Driver’s side damper motor position sensor shorted to earth
221			Passenger’s side damper motor position sensor open circuit or shorted to 12 volts
222			Passenger’s side damper motor position sensor shorted to earth
231			Ventilation damper motor position sensor open circuit or shorted to 12 volts
232			Ventilation damper motor position sensor shorted to earth
233			Floor/defrost damper motor position sensor open circuit or shorted to 12 volts
234			Floor/defrost damper motor position sensor shorted to earth
235			Recirculation damper motor position sensor open circuit or shorted to 12 volts
236			Recirculation damper motor position sensor shorted to earth
311			Driver’s side damper motor shorted to earth or shorted to 12 volts
312			Passenger’s side damper motor shorted to earth or shorted to 12 volts
313			Ventilation damper motor shorted to earth or shorted to 12 volts
314			Floor/defrost damper motor shorted to earth or shorted to 12 volts
315			Recirculation damper motor shorted to earth or shorted to 12 volts
321			Driver’s side damper motor active too long
322			Passenger’s side damper motor active too long
323			Ventilation damper motor active too long
324			Floor/defrost damper motor active too long
325			Recirculation damper motor active too long
411			Blower fan seized or drawing excessive current
412			Driver’s side interior temperature sensor inlet fan shorted to earth
413			No control voltage at driver’s side interior temperature sensor inlet fan
414			Driver’s side interior temperature sensor inlet fan seized
415			Passenger’s side interior temperature sensor inlet fan shorted to earth
416			No control voltage at passenger’s side interior temperature sensor inlet fan
417			Passenger’s side interior temperature inlet fan seized
418			No control signal to blower fan power stage
419			Faulty diagnostic signal from blower fan power stage
420			ECU fault in program memory
511			Damper motor limit position self-adjustment not carried out

B2 – Cruise Control
111			No faults detected
112			Abnormal speed signal
122			Speed has not exceeded 22mph or no speed signal (not a code to worry about)
211			Control module malfunction
212			Malfunction in the circuit to the vacuum pump or regulator

B5 –SRS
111			No fault detected
112			Sensor module fault
127			SRS lamp open/short circuit
211			Drivers airbag short circuit
212			Drivers airbag open circuit
213			Drivers airbag short circuit to ground
214			Drivers airbag short circuit to supply
221			Passenger airbag short circuit
222			Passenger airbag open circuit
223			Passenger airbag short circuit to ground
224			Passenger airbag short circuit to supply
231			Left belt tensioner short circuit
232			Left belt tensioner open circuit
233			Left belt tensioner short circuit to ground
234			Left belt tensioner short circuit to supply
241			Right belt tensioner short circuit
242			Right belt tensioner open circuit
243			Right belt tensioner short circuit to ground
244			Right belt tensioner short circuit to supply

Fenix 5.2 System (only on some 850’s)
111			No faults detected
112			ECU fault
113			Short term fuel mixture too weak
115			Faulty signal to no 1 cylinder injector
121			MAP sensor signal absent or faulty
122			Intake air temp sensor signal absent or faulty
123			Coolant temp signal absent or faulty
125			Faulty signal to no 2 cylinder Injector
132			Battery voltage too low or too high
135			Faulty signal to no 3 cylinder Injector
143			Front knock sensor signal absent or faulty
144			Load signal absent or faulty
145			Faulty signal to no 4 cylinder Injector
152			Air pump signal absent or faulty
154			EGR system leakage
155			Faulty signal to no 5 cylinder Injector
212			Heated oxygen sensor signal absent or faulty
214			RPM sensor signal absent
221			Long term fuel mixture too weak in part load stage
222			Main relay signal absent or faulty
223			Idle air control valve signal absent or faulty
225			A/C pressure sensor signal absent or faulty
231			Long term fuel mixture too rich in part load stage
232			Long term fuel mixture too weak at idle
233			Long term idle air trim outside control range
235			EGR controller signal absent or faulty
241			EGR system flow fault
243			Throttle position sensor signal outside voltage range
244			knock control at limit
311			Vehicle speed sensor signal absent(speedometer)
313			Evap valve signal absent or faulty
314			Camshaft position sensor signal absent or faulty
323			Malfunction indicator lamp signal faulty
325			Ecu memory loss
335			Request for malfunction indicator lamp from automatic transmission ECU
342			Air conditioning system relay control signal faulty
343			Fuel pump relay control signal faulty
411			Throttle postion sensor signal outside voltage range
413			EGR temp sensor signal absent or faulty
432			High temp in ECU module box
433			Rear knock sensor signal absent or faulty
435			Heated oxygen sensor slow response
442			Air pump relay signal absent or faulty
511			Long term fuel mixture too rich at idlel
512			Short term fuel mixture too rich
513			Excessively high temperature in ECU module box
514			Engine cooling fan faulty at half speed
515			Engine cooling fan faulty at full speed
521			Oxygen sensor heating faulty
523			Signal to ECU module box cooling fan shorted to 12 volts
524			Transmission torque control signal faulty
535			Turbo regulator valve fault

Motronic 4.3 (Only on some 850’s)
112			ECU fault
115			Faulty signal to no 1 cylinder injector
121			MAF sensor signal absent or faulty
123			Coolant temp signal absent or faulty
125			Faulty signal to no 2 cylinder Injector
131			Engine speed (RPM) sensor signal absent or faulty
132			Battery voltage too low or too high
135			Faulty signal to no 3 cylinder Injector
143			Front knock sensor signal absent or faulty
144			Load signal absent or faulty
145			Faulty signal to no 4 cylinder Injector
152			Air pump signal absent or faulty
154			EGR system leakage
155			Faulty signal to no 5 cylinder Injector
212			Heated oxygen sensor signal absent or faulty
214			RPM sensor signal absent
223			Idle air control valve siganal absent or faulty
225			A/C pressure sensor signal absent or faulty
231			Long term fuel mixture too rich in part load stage
232			Long term fuel mixture too weak at idle
233			Long term idle air trim outside control range
235			EGR controller signal absent or faulty
241			EGR system flow fault
243			Throttle position sensor signal outside voltage range
244			Knock control at limit
245			Idle air control valve closing signal absent or faulty
311			Vehicle speed sensor signal absent(speedometer)
313			Evap valve signal absent or faulty
314			Camshaft position sensor signal absent or faulty
315			Evap system fault
323			Malfunction indicator lamp signal faulty
325			Ecu memory loss
335			Request for malfunction indicator lamp from automatic transmission ECU
342			Air conditioning system relay control signal faulty
343			Fuel pump relay control signal faulty
411			Throttle postion sensor signal outside voltage range
413			EGR temp sensor signal absent or faulty
414			Turbo boost pressure too high
416			Turbo boost pressure reducsed by automatic transmission ECU
432			High temp in ECU module box
433			Rear knock sensor signal absent or faulty
435			Heated oxygen sensor slow response
442			Air pump relay signal absent or faulty
511			Long term fuel mixture too rich at idle
512			Short term fuel mixture too rich
513			Excessively high temperature in ECU module box
514			Engine cooling fan faulty at half speed
515			Engine cooling fan faulty at full speed
521			Oxygen sensor heating faulty
523			Signal to ECU module box cooling fan shorted to 12 volts
524			Transmission torgue control signal faulty
535			Turbo regulator valve fault
541			Evap fault

Jetronic LH3.2 (Only certain early 850’s)
111			No faults detected
112			ECU fault
113			Short term fuel mixture too weak
121			MAF sensor signal absent or faulty
123			Coolant temp signal absent or faulty
132			Battery voltage too low or too high
212			Heated oxygen sensor signal absent or faulty
221			Long term fuel mixture too weak in part load stage
223			Idle air control valve signal absent or faulty
231			Long term fuel mixture too rich in part load stage
232			Long term fuel mixture too weak at idle
311			Vehicle speed sensor signal absent(speedometer)
411			Throttle postion sensor signal absent
511			Long term fuel mixture too rich at idle
512			Short term fuel mixture too rich

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