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Siemens type P, ITE as well
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What does DTC P1515 mean on a 2002 Chevy Trailblazer?
Circuit Description The commanded throttle position (TP), based on accelerator pedal position (APP) and possibly other limiting factors, is compared to the actual throttle position. The powertrain control module (PCM) monitors the commanded and actual throttle position. This DTC sets if the PCM detects the condition. The throttle by wire technology is great but the throttle position sensor is a common failure in the 2002 + Trailblazers. www.trailvoy.com - True Enthusiasts helping others!
How do you clear check engine codes on a 1996 subaru legacy outback?
1. Take it to the dealer or repair shop. Cost? Depends on dealer/shop. 2. Take it to an auto parts store, such as AutoZone and ask to use their OBDII scanner, or have them do it. There is NO obligation, so you don't have to buy the parts to fix the issue if you're not ready. Cost? Free 3. Under the dash, usually on the driver's side, are green and black connectors. Connect the GREEN AND BLACK connectors, turn the engine ON and drive the car over 12 mph for a few minutes. The CEL should blink slowly @ the same rate once the CEL is reset. Cost? Free and you did it yourself! P.S. To retrieve the codes, connect the Black connectors to read the codes. And turn the ignition to ON (without starting the engine). This will set the car into test modus (historic codes is displayed) in the dashboard. Just watch the blinking CEL (check engine lamp). Every flash is +10 in value (light last 1.2 second). Three flashes, is the value 30. Seperated with 3 seconds delay, before it shift over to the singular system (+1 value). Every flash is +1 in value (light last 0.2 second). Three flashes, is the value 3. LINK: http://www.ultimatesubaru.org/forum/showthread.php?t=98709 OBD2/OBDII P0031 - Front oxygen (A/F) sensor heater circuit low input P0032 - Front oxygen (A/F) sensor heater circuit high input P0037 - Rear oxygen sensor heater circuit malfunction P0038 - Rear oxygen sensor heater circuit high input P0065 - Air assist injector solenoid valve malfunction P0066 - Air assist injector solenoid valve circuit low input P0067 - Air assist injector solenoid valve circuit high input P0100 - Mass Air Flow Sensor Circuit Malfunction P0101 - Mass Air Flow Sensor Circuit Range Problem P0102 - Mass Air Flow Sensor Circuit Low Input PO103 - Mass Air Flow Sensor Circuit High Input P0105 - Pressure Sensor Circuit Malfunction P0106 - Pressure Sensor Circuit Range Problem PO107 - Pressure Sensor Circuit Low Input PO108 - Pressure Sensor Circuit High Input P0111 - Intake air temperature sensor circuit range/performance problem P0112 - Intake air temperature sensor circuit low input P0113 - Intake air temperature sensor circuit high input P0115 - Engine Coolant Temperature Sensor Circuit P0116 - Engine Coolant Temp Sensor Circuit Low Input PO117 - Engine Coolant Temp Sensor Circuit Low Input PO118 - Engine Coolant Temp Sensor Circuit High Input P0120 - Throttle Position Sensor Circuit Malfunction P0121 - Throttle Position Sensor Circuit Range Problem PO122 - Throttle Position Sensor Circuit Range Problem PO123 - Throttle Position Sensor Circuit High Input P0125 - Insufficient Coolant Temperature for Closed Loop P0128 - Thermostat malfunction P0130 - Front Oxygen Sensor Circuit Malfunction P0131 - Front oxygen (A/F) sensor circuit range/performance problem (low input) P0132 - Front oxygen (A/F) sensor circuit range/performance problem (high input) P0133 - Front Oxygen Sensor Circuit Slow Response P0135 - Front Oxygen Sensor Heater Circuit Malfunction P0136 - Rear Oxygen Sensor Circuit Malfunction P0139 - Rear Oxygen Sensor Circuit Slow Response P0141 - Rear Oxygen Sensor Heater Circuit Malfunction P0170 - Fuel Trim Malfunction P0171 - Fuel trim malfunction (A/F too lean) P0172 - Fuel trim malfunction (A/F too rich) PO181 - Fuel Temperature Sensor A Range Problem PO182 - Fuel Temperature Sensor A Circuit Low Input PO183 - Fuel Temperature Sensor A Circuit High Input P0201 - Fuel Injector Circuit Malfunction - #1 P0202 - Fuel Injector Circuit Malfunction - #2 P0203 - Fuel Injector Circuit Malfunction - #3 P0204 - Fuel Injector Circuit Malfunction - #4 P0244 - Wastegate control solenoid valve malfunction (high input) P0245 - Wastegate control solenoid valve circuit low input P0246 - Wastegate control solenoid valve circuit high input PO261 - Fuel Injector Circuit Low Input - #1 PO262 - Fuel Injector Circuit High Input - #1 PO264 - Fuel Injector Circuit Low Input - #2 PO265 - Fuel Injector Circuit High Input - #2 PO267 - Fuel Injector Circuit Low Input - #3 PO268 - Fuel Injector Circuit High Input - #3 PO270 - Fuel Injector Circuit Low Input - #4 PO271 - Fuel Injector Circuit High Input - #4 P0301 - Cylinder 1 Misfire Detected P0302 - Cylinder 2 Misfire Detected P0303 - Cylinder 3 Misfire Detected P0304 - Cylinder 4 Misfire Detected P0325 - Knock Sensor Circuit Malfunction P0327 - Knock sensor circuit low input P0328 - Knock sensor circuit high input P0335 - Crankshaft Position Sensor Circuit Malfunction PO336 - Crankshaft Position Sensor Circuit Range Problem P0340 - Camshaft Position Sensor Circuit Malfunction PO341 - Camshaft Position Sensor Circuit Range Problem P0400 - Exhaust Gas Recirculation Flow Malfunction P0403 - Exhaust Gas Recirculation Circuit Malfunction PO420 - Catalyst System Efficiency Below Threshold PO440 - Evaporative Emission Control System Malfunction P0441 - Evap System Incorrect Purge Flow P0442 - Evaporative emission control system malfunction P0443 - Evap System Purge Control Valve Circuit PO443 - EVAP System Purge Control Valve Circuit Low Input P0444 - Evaporative emission control system purge control valve circuit low input P0445 - Evaporative emission control system purge control valve circuit high input PO446 - EVAP System Vent Control Low Input P0447 - Evaporative emission control system vent control low input P0448 - Evaporative emission control system vent control high input PO451 - EVAP Pressure Sensor Range Problem PO452 - EVAP Pressure Sensor Low Input PO453 - EVAP Pressure Sensor High Input P0456 - Evaporative emission control system malfunction PO461 - Fuel Level Sensor Circuit Range/Performance Problem PO462 - Fuel Level Sensor Circuit Low Input PO463 - Fuel Level Sensor Circuit High Input P0464 - Fuel level sensor intermittent input P0480 - Cooling Fan Relay 1 Circuit Low Input P0483 - Cooling Fan Function Problem P0500 - Vehicle Speed Sensor Malfunction P0505 - Idle Control System Malfunction P0506 - Idle Control System RPM Lower Than Expected P0507 - Idle Control System RPM Higher Than Expected P0509 - Idle control system circuit high input P0512 - Starter switch circuit high input P0545 - Exhaust gas temperature sensor circuit low input P0546 - Exhaust gas temperature sensor circuit high input P0600 - Serial Communication Link Malfunction P0601 - Internal Control Module Memory Checksum Error P0604 - Internal control module memory check sum error P0703 - Brake Switch Input Malfunction P0705 - Transmission Range Sensor Circuit Malfunction P0710 - Transmission Fluid Temperature Sensor Circuit P0715 - Torque Converter Turbine Speed Sensor Circuit Malfunction P0720 - Output Speed Sensor Circuit Malfunction P0725 - Engine Speed Input Circuit Malfunction P0731 - Gear 1 Incorrect Ratio P0732 - Gear 2 Incorrect Ratio P0733 - Gear 3 Incorrect Ratio P0734 - Gear 4 Incorrect Ratio P0740 - Torque Converter Clutch System Malfunction P0741 - Torque converter clutch system malfunction P0743 - Torque Converter Clutch System Electrical P0748 - Pressure Control Solenoid Electrical P0753 - Shift Solenoid A Electrical P0758 - Shift Solenoid B Electrical P0760 - Shift Solenoid C Malfunction P0763 - Shift Solenoid C Electrical P0778 - 2-4 brake pressure control solenoid valve (2-4 brake duty solenoid) circuit malfunction P0785 - 2-4 brake timing control solenoid valve (2-4 brake timing solenoid) circuit malfunction P1086 - Tumble generator valve #2 (LH) position sensor circuit low input P1087 - Tumble generator valve #2 (LH) position sensor circuit high input P1088 - Tumble generator valve #1 (RH) position sensor circuit low input P1089 - Tumble generator valve #1 (RH) position sensor circuit high input P1090 - Tumble generator valve #1 (RH) malfunction (stuck open) P1091 - Tumble generator valve #1 (RH) malfunction (stuck close) P1092 - Tumble generator valve #2 (LH) malfunction (stuck open) P1093 - Tumble generator valve #2 (LH) malfunction (stuck close) P1094 - Tumble generator valve circuit #1 (open circuit) P1095 - Tumble generator valve circuit #1 (over current) P1096 - Tumble generator valve circuit #2 (open circuit) P1097 - Tumble generator valve circuit #2 (over current) P1100 - Starter Switch Circuit Malfunction P1101 - Neutral Position Switch Circuit High Input (A/T) P1101 - Neutral Position Switch Circuit Malfunction (M/T) P1102 - Pressure Sources Solenoid Valve Circuit Malfunction P1103 - Pressure Sources Switching Solenoid Valve Circuit P1104 - Engine Torque Control Signal Circuit Malfunction P1106 - Engine Torque Control Signal 2 Circuit Malfunction P1110 - Atmospheric pressure sensor low input P1111 - Atmospheric pressure sensor high input P1112 - Atmospheric pressure sensor range/performance problem P1115 - Engine Torque Control Cut Signal Circuit High Input P1116 - Engine Torque Control Cut Signal Circuit Low Input P1120 - Starter Switch High Input P1121 - Neutral Position Switch Circuit High Input [MT Vehicles] P1121 - Neutral Position Switch Circuit Low Input [AT Vehicles] P1122 - Pressure Sources Switching Valve Circuit High Input P1124 - TCS Signal Circuit High Input P1130 - Front oxygen sensor circuit malfunction (open circuit) P1131 - Front oxygen sensor circuit malfunction (short circuit) P1134 - Front oxygen (A/F) sensor microcomputer problem P1137 - Front oxygen (A/F) sensor circuit range/performance problem P1139 - Front oxygen (A/F) sensor #1 heater circuit performance/range problem P1141 - Mass Air Flow Sensor Circuit High Input P1142 - Mass Air Flow Sensor Circuit Low Input P1143 - Pressure Sensor Circuit Low Input P1144 - Pressure Sensor Circuit High Input P1146 - Pressure sensor circuit range/performance problem (high input) P1150 - Front Oxygen Sensor Heater Circuit High Input P1151 - Rear Oxygen Sensor Heater Circuit High Input P1230 - Fuel pump control unit malfunction P1244 - Wastegate control solenoid valve malfunction (low input) P1245 - Wastegate control solenoid valve malfunction (fail-safe) P1301 - Fire due to increased exhaust temperature P1312 - Exhaust temperature sensor malfunction P1325 - Knock Sensor Circuit Low Input P1400 - Fuel Tank Pressure Control Solenoid Low Input P1420 - Fuel Tank Pressure Control Solenoid High Input P1421 - Exhaust Gas Recirculation Circuit High Input P1422 - EVAP Purge Control Valve Circuit High Input P1423 - EVAP Vent Control High Input P1440 - Fuel Tank Pressure Control System Low Input P1441 - Fuel Tank Pressure Control System High Input P1442 - Fuel Level Sensor Circuit Range/Perf P1443 - EVAP Control System Vent Control Function Problem P1480 - Cooling fan relay 1 circuit high input P1500 - Radiator Fan Relay 1 Circuit Malfunction P1501 - Idle Control System Malfunction (Fail Safe) P1502 - Radiator Fan Function Problem P1507 - Idle Control System Malfunction (Fail Safe) P1510 - Idle Air Control Solenoid Signal 1 Circuit Low Input P1511 - Idle Air Control Solenoid Signal 1 Circuit High Input P1512 - Idle Air Control Solenoid Signal 2 Circuit Low Input P1513 - Idle Air Control Solenoid Signal 2 Circuit High Input P1514 - Idle Air Control Solenoid Signal 3 Circuit Low Input P1515 - Idle Air Control Solenoid Signal 3 Circuit High Input P1516 - Idle Air Control Solenoid Signal 4 Circuit Low Input P1517 - Idle Air Control Solenoid Signal 4 Circuit High Input P1518 - Starter switch circuit low input P1520 - Radiator Fan Relay 1 Circuit High Input P1540 - Vehicle Speed Sensor Malfunction 2 P1544 - High exhaust temperature detected P1560 - Back-Up Voltage Circuit Malfunction P1590 - Neutral position switch circuit high input P1591 - Neutral position switch circuit low input P1592 - Neutral position switch circuit (MT model) P1594 - Automatic transmission diagnosis input signal circuit malfunction P1595 - Automatic transmission diagnosis input signal circuit low input P1596 - Automatic transmission diagnosis input signal circuit high input P1698 - Engine torque control cut signal circuit low input P1699 - Engine torque control cut signal circuit high input P1700 - Throttle Position Sensor Circuit Malfunction (A/T) P1701 - Cruise Control Set Signal Circuit Malfunction (A/T) P1702 - Auto Trans Diagnosis Input Signal Circuit P1703 - Low clutch timing control solenoid valve circuit malfunction P1704 - 2-4 Brake Timing Solenoid Valve Circuit Malfunction P1705 - 2-4 Brake Pressure Solenoid Valve (Solenoid D) Circuit P1711 - Engine torque control signal 1 circuit malfunction P1712 - Engine torque control signal 2 circuit malfunction P1722 - Auto Trans Diagnosis Input Signal High Input P1742 - Auto Trans Diagnosis Input Signal Malfunction
What is a throttle body on a 2004 envoy?
Envoy throttle body is like the carburetor on earlier cars except it does not supply fuel to the engine. Fuel is delivered by the fuel injectors at each cylinder. It's only function is to supply a regulated amount of air to the engine with a motor driven flapper valve. It is mounted to the plastic intake manifold on the drivers side of the engine. It is only 1 part of the fuel control system. The TB also supplies feed back to the (PCM) powertrain control module (the computer). It has the (TPS) throttle position sensor built into the unit also. When your press on the gas pedal there is no mechanical connections to the throttle body like some earlier vehicles with carburetors. The (APP) accelerator pedal position sensor is connected the gas pedal and lets the PCM and throttle body know how much gas and air to supply to the engine. When my throttle body died it threw a code P1515.
Isuzu Trooper Runs rough check engine light reduced power?
Check Engine and Reduced Power P0401, P1125, P1295, P1515 I had this problem. It drove me crazy for a while. My father previously owned the car and a professional mechanic serviced the car several times. He replaced the accelerator position sensor and whatever else he did I don't know. I don't blame the guy for not being able to fix it, as they only have so much time to figure car troubles out because they have other people to service. However, I am just someone who began to read a significant amount of information on the automobile: the engine, the brakes, the suspension, the sensors, ...the overall functioning. I did two gasket overhauls, with changing various parts to update the functioning (timing belt, plugs, several sensors, cooling system parts, charging system, pulleys, dented oil pan, oil pump, seals, valves on one of the cars, ...whatever I thought "hey, after 200,000 miles, it probably makes sense", I think it does; mind you, I did do specification checks on what needed checking with the cylinder heads). I still drive one of them (3000GT, may as well be a car you like), and a 2000 Eclipse (bought it brand new, and constantly kept up on the oil), which is now deceased (I won't go into the details), but I still pulled the engine (which still ran awesome, when I checked to see if it still ran <thank God, that would have been a total waste> and to replace this car....ta da >>> my old man gave me the 2000 Trooper. (I apologize for the long story, just want you to get an idea of what where I'm coming from) With 168,000 miles, and no timing belt change, sparks pugs, literally nothing... I went ahead and did all that plus some other stuff merely because I was deep enough into the area, or had access, rather. When I pulled off the "common chamber" which is the intake manifold I began to clean it and was surprised by a large blot of built up crap in the port for the "MAP SENSOR!!!". It ruined the sensor itself which I did not rule out right away because I just wanted to see what would happen. I left the old one in but purchased another one just in case. Low and behold a few days went by, there were no mil or reduced power for those few days but bam they did come back on. I REPLACED THE OLD MAP WITH THE NEW AND NOW IT RUNS BEAUTIFULLY, NO PROBLEMOS. It's been a couple of months now, I can take it anywhere and not worry about the limp home mode preventing me from controlling the throttle and making me feel like the only idiot being able to reach that 10 MPH limit on the way back home. I did purchase an ISUZU electronic copy of the manual (from HELM INC.) and it mentions so faintly about the correlation between the MAP reading and the throttle position. They mostly point to the TPS or Accelerator sensor predicament, so who'd of thought (I can only imagine that you can only publish a limited number of scenarios, not every possible one). The MAP reading also affects the EGR reading which was the initial check engine light cause. This was definitely what fixed mine. ON A FINAL THOUGHT: The automotive engine and the whole car itself is really really really a crazy marvel of invention. And though this world doesn't push people to realize this in its most direct way. after all, who has time right? people should make time to try and follow how it works and what keeps it working. It would save a lot of misery and aggravation.
