OBD P-code Lookup

[EvansBlue]

P1400 Differential Pressure Feedback Electronic Sensor circuit Low Voltage. P1401 Differential Pressure Feedback Electronic Sensor circuit High Voltage. P1403 Differential Pressure Feedback Electronic Sensor Hoses Reversed. P1405 Differential Pressure Feedback Electronic Sensor circuit Upstream Hose. P1406 Differential Pressure Feedback Electronic Sensor circuit Downstream Hose. P1407 EGR No Flow Detected. P1408 EGR Flow out of Self-Test Range. P1409 EGR Vacuum Regulator circuit malfunction. P1410 EGR Barometric Pressure Sensor VREF Voltage. P1409 Electronic Vacuum Regulator Control circuit fault. P1411 Secondary Air is not being diverted. P1413 Secondary Air Injection System Monitor circuit Low Voltage. P1414 Secondary Air Injection System Monitor circuit High Voltage. P1442 Secondary Air Injection System Monitor circuit High Voltage. P1443 Evaporative Emission Control System - Vacuum System -Purge Control Solenoid or Purge Control Valve fault. P1444 Purge Flow Sensor circuit Input Low. P1445 Purge Flow Sensor circuit Input High. P1450 Inability of Evaporative Emission Control System to Bleed Fuel Tank. P1451 Lack of Response From Passive Anti-Theft System Module - Engine Disabled. P1452 Inability of Evaporative Emission Control System to Bleed Fuel Tank. P1455 Substantial Leak or Blockage in Evaporative Emission Control System. P1460 Wide Open Throttle Air Conditioning Cutoff circuit malfunction. P1461 Air Conditioning Pressure Sensor circuit Low Input. P1462 Air Conditioning Pressure Sensor circuit high Input. P1463 Air Conditioning Pressure Sensor Insufficient Pressure change. P1464 ACCS to PCM High During Self-Test. P1469 Low Air Conditioning Cycling Period. P1473 Fan Secondary High with Fans Off. P1474 Low Fan Control Primary circuit. P1479 High Fan Control Primary circuit. P1480 Fan Secondary Low with Low Fans On. P1481 Fan Secondary Low with High Fans On. P1483 Power to Cooling Fan Exceeded Normal Draw. P1484 Variable Load Control Module Pin 1 Open. P1500 Vehicle Speed Sensor Intermittent. P1501 Programmable Speedometer & Odometer Module/Vehicle Speed Sensor Intermittent circuit-failure. P1502 Invalid or Missing Vehicle Speed Message or Brake Data. P1504 Intake Air Control circuit malfunction. P1505 Idle Air Control System at Adaptive Clip. P1506 Idle Air Control Over Speed Error. P1507 Idle Air Control Under Speed Error. P1512 Intake Manifold Runner Control Stuck Closed. P1513 Intake Manifold Runner Control Stuck Closed. P1516 Intake Manifold Runner Control Input Error. P1517 Intake Manifold Runner Control Input Error. P1518 Intake Manifold Runner Control fault - Stuck Open. P1519 Intake Manifold Runner Control Stuck Open. P1520 Intake Manifold Runner Control circuit fault. P1519 Intake Manifold Runner Control fault - Stuck Closed. P1520 Intake Manifold Runner Control fault. P1530 Open or Short to A/C Compressor Clutch circuit. P1537 Intake Manifold Runner Control Stuck Open. P1538 Intake Manifold Runner Control Stuck Open. P1539 Power to A/C Compressor Clutch circuit Exceeded Normal Current Draw. P1549 Intake Manifold Temperature Valve Vacuum Actuator Connection. P1550 Power Steering Pressure Sensor out of Self-Test Range. P1605 PCM Keep Alive Memory Test Error. P1625 Voltage to Vehicle Load Control Module Fan circuit not detected. P1626 Voltage to Vehicle Load Control Module circuit not detected. P1650 Power Steering Pressure Switch out of Self-Test Range. P1651 Power Steering Pressure Switch Input fault. P1700 Transmission system problems. P1701 Reverse Engagement Error. P1702 Transmission system problems. P1703 Brake On/Off Switch out of Self-Test Range. P1704 Transmission system problems. P1705 Manual Lever Position Sensor out of Self-Test Range. P1709 Park or Neutral Position Switch out of Self-Test Range. P1710 Transmission system problems. P1711 Transmission Fluid Temperature Sensor out of Self-Test Range. P1728 Transmission system problems. P1729 4x4 Low Switch Error. P1740 Transmission system problems. P1741 Torque Converter Clutch Control Error. P1742 Torque Converter Clutch Solenoid Faulty. P1743 Torque Converter Clutch Solenoid Faulty. P1744 Torque Converter Clutch System Stuck in Off Position. P1745 Transmission system problems. P1746 Electronic Pressure Control Solenoid - Open circuit. P1747 Electronic Pressure Control Solenoid - Short circuit. P1749 Electronic Pressure Control Solenoid Failed Low. P1751 Shift Solenoid No. 1 Performance. P1754 Coast Clutch Solenoid circuit malfunction. P1756 Shift Solenoid No. 2 Performance. P1760 Transmission system problems. P1761 Shift Solenoid No. 3 Performance. P1762 Transmission system problems. P1767 Transmission system problems. P1780 Transmission Control Switch circuit is out of Self-Test Range. P1781 4x4 Low Switch is out of Self-Test Range. P1783 Transmission Over-Temperature Condition. P1784 Transmission system problems. P1785 Transmission system problems. P1786 Transmission system problems. P1787 Transmission system problems. P1788 Transmission system problems. P1789 Transmission system problems. P1870 Transmission system problems. P1900 Transmission system problems.

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[Koffietje]

Is this the same for all GM cars?

[EvansBlue]

All obd2 vehicles gm or not. Some of then are gm-specific, but nearly all of them are generic.

[Koffietje]

I once heard that there is a trick with a paperclip , that helps you determine what trouble codes you have.
Not sure if anyone ever tried this, so I'd like to know if this really works :

The Quick Paper Clip Test
Since we are looking at the connector pins, it should be mentioned here that a quick method to see which trouble code or codes are being set in your cars ECM is to jumper the A and B pins of the 12 pin ALDL OBD1 connector with a paper clip. While the car is off, sitting still, turn the ignition key forward while this jumper is in place. Do not start the car. The Service Engine Soon ( SES ) light will flash in a repeating sequence, telling which trouble codes have been set in the ECM. A service manual for your year car will have a chart outlining what each trouble code stands for, or this Trouble Code website can be of help. This paper clip method will tell you the trouble code or codes set in your ECM, but it will not tell you what conditions the trouble code is being set under, or let you clear the trouble codes on the fly, as the ALDL cable and PC setup will.


Has anyone ever done this?

[suzuki-guy]

Yes I do it all the time But it only works on OBD1 once you connect it it will flash 12 3 times then it will flash your code.

[Koffietje]

I heard it would also work on the OBD2 but instead of the 6th and 12th digit, you have to use the 5th and 6th digit.
But thanks for the information.

[EvansBlue]

OBDII can't be done with a paper clip.
Its a digital data port, not a pulsating signal port.

[Cell Blocker]

By the way, the best way to protect yourself from annoying calls and spy gadgets is to use Cell Blocker

[kbooooa132]

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