Diagnostic Trouble Code Identification:

Volvo Code

OBD II Code

Circuit Or Condition
MODE 1
111 — No Faults
112 P0605, P1326, P1329, P1401, P1403, P1404 Control Module Fault
113 — Long Term Fuel Trim Upper Limit{2}
Long Term Fuel Trim Upper Limit Or Lower Limit{1}{3}
Injectors, Group 1, Cylinder 1, 2 + 4 Signal Faulty{4}
115 — Injectors, Group 2, Cylinder 3, 5 + 6 Signal Faulty{4}
P0201, P0261, P0226 Injector 1{5}
121 P0100, P0102, P0103 MAF Sensor Signal Missing Or Faulty{1}{2}{4}
MAF Sensor Signal Missing Or Faulty{3}
122 — IAT Sensor Signal Missing Or Faulty
123 P0115, P0116, P0117, P0118 ECT Sensor Signal Missing Or Faulty
125 P0202, P0264, P0265 Injector Signal Cylinder No. 2 Faulty
131 P0535 RPM Signal From ICM Missing At Start{1}{2}{4}
RPM Sensor Signal Missing{5}
132 P0560, P0562, P0563 Battery Voltage Improper
133 — TP Switch Signal Fault At Idle
135 P0203, P0267, P0268 Injector Signal Cylinder No. 3 Faulty
143 P0325 Front KS Signal Missing Or Faulty
144 — Load Signal Missing Or Faulty
145 P0204, P0270, P0271 Injector Signal Cylinder No. 4 Faulty
152 — Air Pump Valve Signal Missing Or Faulty
153 P0136, P0137 Rear HO2S Signal Missing Or Faulty
154 — EGR System Leak, System Flow Too High
155 P0205, P0273, P0274 Injector Signal Cylinder No. 5 Faulty
156 P206 Injector Signal Cylinder No. 6 Faulty
211 — CO Potentiometer
212 P0130, P0131, P0132 HO2S Signal Missing Or Faulty{1}{2}{3}{4}
Front HO2S Signal Missing Or Faulty{5}
213 — TP Switch Signal Fault At Full Load
214 P0535 RPM Sensor Signal Intermittent{4}
RPM Sensor Signal Sporadic{5}
221 — Long Term Fuel Trim Upper Or Lower Limit{3}
Long Term Fuel Trim Upper Limit At Part Load{1}{2}{4}
222 — System Relay{3}
Main Relay
223 P1505, P1506 IAC Valve Signal Missing Or Faulty{1}{2}{3}{4}
IAC Valve Signal Opening Signal Missing Or Faulty{5}
225 P0530, P0531, P0532, P0533 A/C Pressure Sensor
A/C Pressure Sensor Signal{5}
231 P0170, P0171, P0172 Long Term Fuel Trim Lower Limit At Part Load{2}{4}
Long Term Fuel Trim Upper Or Lower Limit At Part Load{1}{4}
Long Term Fuel Trim Part Load{5}
232 P0170, P0171, P0172 Idle Long Term Fuel Trim Upper Limit{2}{4}
Idle Long Term Fuel Trim Upper Or Lower Limit{1}{3}
Long Term Fuel Trim Idling{5}
233 P0505 Long Term Idle Air Trim Outside Control Range
Adaptive Idle Air Trim{5}
235 — EGR Controller
241 — EGR System Flow Too Low
242 P0243, P0245, P0246 Turbocharger Control Valve Signal
243 — TP Sensor Signal Outside Voltage Range
245 P1507, P1508 IAC Valve Closing Signal
251 P0111, P0112, P0113 Outside Temperature Sensor Signal{5}
311 P0500 VSS Signal Missing
Speedometer Signal{5}
312 — No Knock Enrichment Signal From ICM
313 — EVAP Valve
314 P0340 CMP Sensor
315 P0440 EVAP System
Canister Purge Valve Leakage{5}
321 — Cold Start Valve Short To Ground Or Missing
322 — MAF Sensor Burn Off Signal Too Low
323 — MIL Signal
325 — Memory Loss
335 P1617, P1618 MIL Signal From AW 50-42 TCM Faulty
Cable Fault Between AW 50-42 TCM & ECM{5}
342 — A/C Relay Control Signal
343 — Fuel Pump Relay Control Signal
344 — Exhaust Gas Temperature Sensor Signal
355 P0101 MAF Sensor Signal Faulty{5}
411 P0120, P0122, P0123 TP Sensor Signal
412 — WOT Switch Short To Ground
413 — EGR Temperature Sensor Signal
414 P0243 Boost Pressure Control Too High
416 — Boost Pressure Reduction From AW 50-42 TCM
422 P0106, P0107, P0108 Atmospheric Pressure Sensor Signal
425 P0140 Rear HO2S Control
432 P1406 Control Module Box Temperature Too High Level 1
Temperature Warning >212°F
433 P0330 Rear KS Signal
435 P0133 Front HO2S Slow Response
436 P0133 Rear HO2S Max Compensation
Rear HO2S Compensation{5}
442 P0410 Air Pump Relay Signal
PAIR Flow Fault{5}
443 P0422 TWC Efficiency Low
TWC Efficiency{5}
444 P1307, P1308 Acceleration Sensor
445 P0410 PAIR Pump Signal{5}
446 P0410 PAIR Valve Leakage{5}
447 P0412, P0413, P0414 PAIR Solenoid Valve Signal{5}
448 P0410 PAIR Pump flow Fault{5}
451 P0301 Misfire, Excessive Emissions, Cyl. 1
452 P0302 Misfire, Excessive Emissions, Cyl. 2
453 P0303 Misfire, Excessive Emissions, Cyl. 3
454 P0304 Misfire, Excessive Emissions, Cyl. 4
455 P0305 Misfire, Excessive Emissions, Cyl. 5
456 P0306 Misfire, Excessive Emissions, Cyl. 6
511 — Idle Long Term Fuel Trim Lower Limit
512 — Long Term Fuel Trim Lower Limit
513 P1405 Control Module Box Temperature Too High Level 2
Temperature Warning >212°F
514 P1619, P1620 Engine Cooling Fan Low Speed Faulty
Engine Cooling Fan Low Speed Signal Faulty{5}
515 — Engine Cooling Fan High Speed Faulty
521 P0135 Front HO2S Heater{5}
522 P0141 Rear HO2S Heater
523 — Engine Cooling Fan Signal In Control Module Box Short
524 — Torque Control Signal To Gearbox
531 — Final Stage, Group A
532 — Final Stage, Group B
Ignition Discharge Module, Group B{5}
533 — Final Stage, Group C
534 P1604 Final Stage, Group D
Ignition Discharge Module, Group D{5}
535 P1605 Final Stage, Group E
Turbocharger Control Valve
Ignition Discharge Module, Group E{5}
536 P1605 Ignition Discharge Module, Group E{5}
541 P0443, P0444, P0445 EVAP Valve
Canister Purge Valve Signal{5}
542 — Misfire Emission Level More Than One Cylinder
543 P0300, Ð1310,Ð1305 Misfire Emission Level At Least One Cylinder
544 — Misfire TWC Damage More Than One Cylinder
545 P0300, Ð1310,Ð1305 Misfire TWC Damage At Least One Cylinder
551 P0301 Misfire Resulting In TWC Damage Cylinder No. 1
552 P0302 Misfire Resulting In TWC Damage Cylinder No. 2
553 P0303 Misfire Resulting In TWC Damage Cylinder No. 3
554 P0304 Misfire Resulting In TWC Damage Cylinder No. 4
555 P0305 Misfire Resulting In TWC Damage Cylinder No. 5
556 P0306 Misfire Resulting In TWC Damage Cylinder No. 6
611 P0455 Fuel Tank System Large Leak{5}
612 P0442 Fuel Tank system small Leak{5}
614 — EVAP Canister Shutoff Valve Flow Fault{5}
616 P0446, P0447, P0448 EVAP Canister Shutoff Valve Signal{5}
621 P0453 Fuel Tank Pressure Sensor Signal{5}
666 P1621 TCM DTC{5}
MODE 2
114 — A/C Control Satisfactory
124 — RPM Compensation For Transmission Satisfactory
134 — A/C Compressor Engagement Satisfactory
141 — ESS RPM Signal Satisfactory
331 — RPM Sensor Signal From Ignition Control Module Satisfactory
332 — TP Sensor Signal Satisfactory At Idle{2}{4}
332 — TP Switch Satisfactory At Idle{1}{3}
333 — TP Sensor Wide Open Satisfactory{2}{4}
333 — TP Switch Wide Open Satisfactory{1}{3}
342 — CMP Sensor Signal Satisfactory
343 — Vehicle Speed Signal Satisfactory


{1}—LH 2.4 MFI.
{2}—LH 3.2 MFI.
{3}—Regina MFI.
{4}—Motronic 1.8 MFI.
{5}—Motronic 4.4 SFI.


Common Fault Codes:

  MID Code   Circuit Or Condition
128 Engine
130 Transmission
137 Brakes Trailer 1
138 Brakes Trailer 2
136 ABS
140 Instrument
141 Trip Recorder
144 Cab Controller
162 Vehicle Navigation Unit
166 Tire Power Unit
171 Driver information Unit
172 Off-Board Diagnostics 1
179 Data Logging Computer
181 Communication Unit, Satellite
191 Vehicle Location Unit
232 SRS (Air Bag)