111 | | System checks OK |
112 | (O,M) | Intake Air Temperature (IAT) sensor is/was low or grounded - IAT |
113 | (O,M) | IAT sensor is/was high or open - IAT |
114 | (O,R) | IAT sensor out of range - IAT |
116 | (O,R) | Engine Coolant (ECT) sensor out of range - ECT |
117 | (O,M) | ECT sensor is/was low or grounded - ECT |
118 | (O,M) | ECT sensor is/was high or open - ECT |
121 | (O,R,M) | Throttle Position (TP) sensor out of range - TPS |
122 | (O,M) | TP low (possibly grounded or open circuit) - TPS |
123 | (O,M) | TP is/was high or short to power - TPS |
124 | (M) | TP voltage was higher than expected - Fuel control |
125 | (M) | TP voltage was lower than expected - Fuel control |
126 | (O,R,M) | MAP or BARO sensor out of range - ">MAP |
128 | (M) | MAP vacuum has not been changing - check vacuum lines - ">MAP |
129 | (R) | No MAP or Mass Air Flow sensor change during "goose" test - MAP MAF |
136 | (R) | Oxygen sensor not switching/system lean Left or Front HO2S - Fuel control |
137 | (R) | Oxygen sensor not switching/system rich Left or Front HO2S - Fuel control |
138 | (R) | Fault in Cold Start Injector circuit - Fuel control |
139 | (M) | Oxygen sensor not switching Left or Front HO2S - Fuel control |
144 | (M) | Oxygen sensor not switching Single, Right or Rear HO2S - Fuel control |
157 | (R,M) | Mass Air Flow signal is/was low or grounded - MAF |
158 | (O,R,M) | MAF sensor is/was high or short to power - MAF |
159 | (O,R) | MAF sensor is/was out of range - MAF |
167 | (R) | No Throttle Position sensor change in "goose" test (must get at least 25% rotation) - TPS |
171 | (M) | Oxygen sensor not switching - system was at adaptive limits - Single, Right or Rear HO2S - Fuel control |
172 | (R,M) | Oxygen sensor not switching - system is or was lean - Single, Right or Rear HO2S - Fuel control |
173 | (R,M) | Oxygen sensor not switching - system is or was rich - Single, Right or Rear HO2S - Fuel control |
174 | (M) | Oxygen sensor was slow in switching Single, Right or Rear HO2S - Fuel control |
175 | (M) | Oxygen sensor not switching - system was at adaptive limits - Left or Front HO2S - Fuel control |
176 | (M) | Oxygen sensor not switching - system is or was lean Left or Front HO2S - Fuel control |
177 | (M) | Oxygen sensor not switching - system was rich Left or Front HO2S - Fuel control |
178 | (M) | Oxygen sensor was slow in switching Left or Front HO2S - Fuel control |
179 | (M) | Fuel system was rich at part throttle Single, Right or Rear HO2S - Fuel control |
181 | (M) | Fuel system was lean at part throttle Single, Right or Rear HO2S - Fuel control |
182 | (M) | Fuel system was rich at idle Single, Right or Rear HO2S - Fuel control |
183 | (M) | Fuel system was lean at idle Single, Right or Rear HO2S - Fuel control |
184 | (M) | Mass Air (MAF) output higher than expected - Fuel control |
185 | (M) | Mass Air (MAF) output lower than expected - Fuel control |
186 | (M) | Injector pulse width longer than expected or Mass Air Flow (MAF) lower than expected - Fuel control |
187 | | Injector pulse width shorter than expected or Mass Air Flow (MAF) higher than expected - Fuel control |
188 | (M) | Fuel system was rich at part throttle - Left or Front HO2S - Fuel control |
189 | (M) | Fuel system was lean at part throttle - Left or Front HO2S - Fuel control |
191 | (M) | Fuel system was rich at idle - Left or Front HO2S - Fuel control |
192 | (M) | Fuel system was lean at idle - Left or Front HO2S - Fuel control |
193 | | Failure in Flexible Fuel (FF) sensor circuit - Fuel control |
194 | (M) | Perform cylinder balance test to check for inoperative injectors |
195 | (M) | Perform cylinder balance test to check for inoperative injectors |
211 | (M) | Ignition PIP signal was erratic or missing - Ignition Systems |
212 | (M) | Ignition TACH signal was erratic (module/wiring) or SPOUT circuit fault - Ignition Systems |
213 | (R) | Ignition SPOUT or SAW circuit open or shorted - Ignition Systems |
214 | (M) | Error in Cylinder ID (CID) circuit or signal - Ignition Systems |
215 | (M) | Primary circuit failure - ignition coil 1 - Ignition Systems |
216 | (M) | Primary circuit failure - ignition coil 2 - Ignition Systems |
217 | (M) | Primary circuit failure - ignition coil 3 - Ignition Systems |
218 | (M) | IDM signal open or high or left coil pack failure - Ignition Systems |
219 | (M) | SPOUT circuit failure, timing defaulted to 10 degrees - follow code 213 diagnosis |
222 | (M) | IDM open or high or right coil pack failure - Ignition Systems |
223 | (M) | Dual Plug (DPI), SPOUT or IDM circuit fault - Ignition Systems |
224 | (M) | Failure in ignition coil primary circuit - Ignition Systems |
225 | (R) | Knock sensor not tested (ignore if not pinging) - KS |
226 | (O) | Ignition Diagnostic Monitor (IDM) signal fault - Ignition Systems |
232 | (M) | EI primary coil circuit failure - Ignition Systems |
238 | (M) | EI primary circuit failure - ignition coil 4 - Ignition Systems |
311 | (R) | AIR system not working - Single, Right or Rear HO2S - Air Injection |
312 | (R) | AIR not diverting - Air Injection |
313 | (R) | AIR not bypassing - Air Injection |
314 | (R) | AIR inoperative, Left or Front HO2S - Air Injection |
326 | (R,M) | Pressure Feedback EGR shows low pressure EGR not seating or not seating intermittantly - PFE |
327 | (O,R,M) | EGR feedback signal is/was low - EVR or PFE |
328 | (O,R,M) | EGR Valve Position (EVP) is/was low - EVR |
332 | (R,M) | EGR did not open/respond during test or if memory code, did not open intermittantly - EVR or PFE |
334 | (O,R,M) | EVP sensor is/was high - EVR |
335 | (O) | EGR feedback signal is/was out of range - EVR or PFE |
336 | (O,R,M) | PFE sensor signal is/was was high - ">PFE |
337 | (O,R,M) | EGR feedback signal is/was was high - EVR |
338 | (M) | Cooling system did not heat up (check cooling system / thermostat operation) |
339 | (M) | Cooling system overheated (check cooling system / thermostat operation) |
341 | (O) | Octane jumper installed (information only code to notify you if it is installed) |
411 | (R) | Idle speed system not controlling idle properly (generally idle too high) - ISC |
412 | (R) | Idle speed system not controlling idle properly (generally idle too low) - ISC |
452 | (M) | Vehicle Speed Sensor (VSS) problem |
511 | (O) | No power to PCM pin 1 or bad PCM (processor) |
512 | (M) | Memory power (PCM pin 1) was interrupted - Was battery disconnected ? |
513 | (O) | Replace processor (PCM) (internal failure) |
519 | (O) | PSP switch/circuit open - PSP h Pedal Position (CPP) circuit fault - PNP |
528 | (M) | System shows voltage at pin 10 (is A/C on ?) or pin 30 (PNP, CPP switch) - PNP |
529 | (M) | Data Communications Link to processor failure Service any EEC codes, erase memory and retest If code is still present refer to instrument cluster diagnosis manual |
533 | (M) | Data Communications Link to instrument cluster failure - see 529 |
536 | (O,R,M) | Brake On Off open or shorted to ground - BOO |
538 | (R) | System did not receive "goose" test - TESTS |
539 | (O) | System shows voltage at PCM pin 10 Is A/C on ? |
542 | (O,M) | Fuel pump open, bad ground or always on - - Power / Fuel Pump Circuits |
543 | (O) | Fuel pump monitor circuit shows no power - Power / Fuel Pump Circuits |
| (M) | (Service 556 code first if present) Fuel pump relay or battery power feed was open - Power / Fuel Pump Circuits |
551 | | Problem in Intake Manifold Runner Control (IMRC) solenoid/circuit - Solenoids |
552 | (O) | AIRB solenoid/circuit failure - Solenoids |
553 | (O) | AIRD solenoid/circuit failure - Solenoids |
554 | (O) | Fuel Press Regulator Control solenoid/circuit fault - Power / Fuel Pump Circuits |
556 | (O,M) | Fuel pump relay primary circuit fault - Power / Fuel Pump Circuits |
557 | (O,M) | Low speed pump relay primary circuit fault - Power / Fuel Pump Circuits |
558 | (O) | EGR vacuum regulator solenoid/circuit failure - EVR or PFE or Solenoids |
559 | (O) | A/C relay primary circuit fault - A/C and Fan Circuits |
563 | (O) | High Fan Control (HFC) circuit failure - A/C and Fan Circuits |
564 | (O) | Fan Control (FC) circuit failure - A/C and Fan Circuits |
565 | (O) | Canister Purge 1 solenoid/circuit failure - Solenoids |
566 | (O) | transmission 3/4 shift solenoid/circuit - Transmissions |
569 | (O) | Canister Purge 2 solenoid/circuit failure - Solenoids |
578 | (M) | A/C pressure sensor VREF short to ground - A/C and Fan Circuits |
579 | (M) | ACP sensor did not change with A/C on - A/C and Fan Circuits |
581 | (M) | Cooling fan current was excessive - A/C and Fan Circuits |
582 | (O) | Open cooling fan circuit - A/C and Fan Circuits |
583 | (M) | Fuel pump current was excessive - Power / Fuel Pump Circuits |
584 | (M) | Open power ground circuit - Power / Fuel Pump Circuits |
585 | (M) | A/C clutch current was excessive - A/C and Fan Circuits |
586 | (M) | Open circuit in A/C clutch - A/C and Fan Circuits |
587 | (O, M) | Communication problem between PCM and Variable Control Relay Module (VCRM) - Power / Fuel Pump Circuits |
617 | (M) | Transmission shift failure (1/2 shift) - Transmissions |
618 | (M) | Transmission shift failure (2/3 shift) - Transmissions |
619 | (M) | Transmission shift failure (3/4 shift) - Transmissions |
621 | (O) | Solenoid/circuit failure - shift solenoid 1 - Transmissions |
622 | (O) | Solenoid/circuit failure - shift solenoid 2 - Transmissions |
624 | (O,M) | Solenoid/circuit failure -Electronic Pressure Control (EPC) current is high - Transmissions |
625 | (O,M) | Solenoid/circuit failure - Electronic Pressure Control (EPC) current is low - Transmissions |
626 | (O) | Transmission Coast Clutch (CCS) Solenoid/circuit fault - Transmissions |
627 | (O) | Torque Converter Clutch circuit fault - Transmissions |
628 | (M) | Excessive converter clutch slippage - Transmissions |
629 | (O,M) | Torque Converter Clutch circuit fault - Transmissions |
631 | (O) | Overdrive Cancel Light circuit problem - Transmissions |
632 | (R) | E4OD - Transmission Control Switch (TCS) should be cycled once between engine ID and Goose test |
633 | (O) | 4x4L switch should be in 4x2 or 4x4 high for the test |
634 | (O,M) | Park/Neutral Position (PNP) or Clutch Pedal Position (CPP) circuit fault Electronic shift transmission - Manual Lever Position (MLP) sensor out of range in Park-Transmissions |
636 | (O,R) | Transmission Oil Temperature (TOT) sensor out of range - Transmissions |
637 | (O,M) | TOT sensor is/was high or open - Transmissions |
638 | (O,M) | TOT sensor is/was low or grounded - Transmissions |
639 | (R,M) | Transmission Speed sensor (TSS) circuit fault - Transmissions |
641 | (O) | Transmission solenoid/circuit failure Shift Solenoid 3 - Transmissions |
643 | (O,M) | Torque Converter Clutch (TCC) circuit - Transmissions |
645 | (M) | Transmission 1st gear failure - Transmissions |
646 | (M) | Transmission 2nd gear failure - Transmissions |
647 | (M) | Transmission 3rd gear failure - Transmissions |
648 | (M) | Transmission 4th gear failure - Transmissions |
649 | (M) | Transmission EPC system failure - Transmissions |
651 | (M) | Transmission EPC solenoid/circuit fault - Transmissions |
652 | (O) | Torque Converter Clutch (TCC) circuit fault - Transmissions |
654 | (O) | Transmission selector not in PARK - Transmissions |
656 | (M) | Torque Converter Clutch (TCC) slip - Transmissions |
657 | (M) | Transmission temperature was excessive - Transmissions |