Codes: 1996 to 1998 Volvos page 2

This is page 2 of 2. Continued from Volvo Diagnostic Codes 1996 to 1998

On Board DTC (850) Generic OBD Code
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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