Vehicle Speed and Idle Control

126 diagnostic codes in this category

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The P0500 code indicates a malfunction in the vehicle speed sensor (VSS) circuit. The VSS monitors the...

The P0501 code indicates that the Powertrain Control Module (PCM) has detected a problem with the vehicle...

The P0502 code indicates that the Powertrain Control Module (PCM) has detected a low or missing signal from...

The P0503 code indicates that the Powertrain Control Module (PCM) has detected an intermittent, erratic, or...

The P0504 code indicates a correlation fault between the brake pedal position sensor and the brake light...

The P0505 code indicates a malfunction in the idle control system, which manages engine idle speed. The...

The Powertrain Control Module (PCM) has detected that the engine idle speed is lower than the target RPM by a...

Code P0507 indicates that the Engine Control Module (ECM) has detected the idle speed is higher than the...

The P0508 code indicates that the Powertrain Control Module (PCM) has detected a low voltage condition in the...

The P0509 code indicates that the Powertrain Control Module (PCM) has detected a high voltage condition in...

The P050A code indicates that the Powertrain Control Module (PCM) has detected a malfunction in the idle air...

The P050B code indicates that the Engine Control Module (ECM) has detected a problem with the ignition timing...

The P050C code indicates that the Engine Control Module (ECM) has detected a malfunction in the cold start...

P050D indicates that the Engine Control Module (ECM) has detected an excessively rough idle during cold start...

The P050E code indicates that the engine control module (ECM) has detected the exhaust gas temperature (EGT)...

The P050F code indicates that the engine control module (ECM) has detected insufficient vacuum in the brake...

The P0510 code indicates a malfunction in the closed throttle position switch circuit. This switch is part of...

The P0511 code indicates a problem in the idle air control (IAC) circuit. The IAC valve regulates engine idle...

The P0512 code indicates a fault in the starter request circuit, which is the electrical path that carries...

The P0513 code indicates that the engine control module (ECM) has detected an incorrect or unprogrammed...

The P0514 code indicates that the battery temperature sensor circuit is reporting a voltage or resistance...

The P0515 code indicates a problem in the battery temperature sensor circuit. This sensor monitors the...

The P0516 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the battery...

The P0517 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the battery...

The P0518 code indicates an intermittent fault in the idle air control (IAC) circuit. The IAC valve regulates...

The P0519 code indicates that the Engine Control Module (ECM) has detected a malfunction in the Idle Air...

The P051A code indicates a problem with the crankcase pressure sensor circuit. This sensor monitors pressure...

The P051B code indicates that the Engine Control Module (ECM) has detected a signal from the crankcase...

The P051C code indicates that the Engine Control Module (ECM) has detected a voltage signal from the...

The P051D code indicates that the engine control module (ECM) has detected a voltage signal from the...

The P051E code indicates that the engine control module (ECM) has detected an intermittent or erratic signal...

The P051F code indicates that the powertrain control module (PCM) has detected a restriction in the positive...

The P0520 code indicates a malfunction in the engine oil pressure sensor or its circuit. The Powertrain...

The P0521 code indicates that the Engine Control Module (ECM) has detected an engine oil pressure sensor or...

The P0522 code indicates that the engine oil pressure sensor or its circuit is reporting a voltage lower than...

The P0523 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the oil...

The P0524 code indicates that the engine oil pressure has dropped below the manufacturer's specified minimum....

The P0525 code indicates that the powertrain control module (PCM) has detected a malfunction in the cruise...

The P0526 code indicates a problem in the fan speed sensor circuit, which monitors the rotational speed of...

The P0527 code indicates that the Engine Control Module (ECM) has detected a malfunction in the fan speed...

The P0528 code indicates that the Engine Control Module (ECM) has detected a missing or invalid signal from...

The P0529 code indicates that the engine control module (ECM) has detected an intermittent signal from the...

The P052A code indicates that the engine control module (ECM) has detected that the camshaft timing is...

The P052B code indicates that the engine control module (ECM) has detected that the camshaft timing on bank 1...

The P052C code indicates that the engine control module (ECM) has detected that the camshaft timing on Bank 2...

The P052D code indicates that the Engine Control Module (ECM) has detected the camshaft timing on Bank 2 is...

The P052E code indicates that the Powertrain Control Module (PCM) has detected a performance problem with the...

The P0530 code indicates a problem with the A/C refrigerant pressure sensor circuit. This sensor monitors the...

The P0531 code indicates that the Powertrain Control Module (PCM) has detected an A/C refrigerant pressure...

The P0532 code indicates that the A/C refrigerant pressure sensor is reporting a voltage lower than the...

The P0533 code indicates that the Engine Control Module (ECM) has detected a voltage signal from the A/C...

The P0534 code indicates that the air conditioning system has lost refrigerant charge, detected by the A/C...

The P0535 code indicates a problem in the circuit of the A/C evaporator temperature sensor, which monitors...

The P0536 code indicates that the A/C evaporator temperature sensor is reporting a value outside the expected...

The P0537 code indicates that the A/C evaporator temperature sensor circuit is reading a voltage lower than...

The P0538 code indicates that the Powertrain Control Module (PCM) has detected a high voltage signal from the...

The P0539 code indicates an intermittent signal from the A/C evaporator temperature sensor, which monitors...

The P053A code indicates that the Powertrain Control Module (PCM) has detected an open circuit in the...

The P053B code indicates that the Powertrain Control Module (PCM) has detected a low voltage condition in the...

The P053C code indicates that the Powertrain Control Module (PCM) has detected a high voltage condition in...

The P0540 code indicates a problem in the intake air heater circuit, which is used to warm incoming air in...

The P0541 code indicates that the powertrain control module (PCM) has detected a low voltage condition in the...

The P0542 code indicates a problem with the intake air heater circuit on Bank 1. This heater is used to warm...

The P0543 code indicates that the Powertrain Control Module (PCM) has detected an open circuit in the intake...

The P0544 code indicates a problem with the exhaust gas temperature (EGT) sensor circuit for Bank 1, Sensor...

The P0545 code indicates that the exhaust gas temperature (EGT) sensor on Bank 1, Sensor 1 (pre-catalyst) is...

The P0546 code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the...

The P0547 code indicates a problem with the exhaust gas temperature (EGT) sensor circuit for Bank 2, Sensor...

The P0548 code indicates that the Engine Control Module (ECM) has detected a low voltage signal from the...

The P0549 code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the...

The P054A code indicates that during cold start, the Engine Control Module (ECM) has detected that the...

Code P054B indicates that the engine control module (ECM) has detected that the camshaft timing is...

This diagnostic trouble code (DTC) indicates that the engine control module (ECM) has detected the camshaft...

Code P054D indicates that during a cold start, the Engine Control Module (ECM) detected that the camshaft...

The P0550 code indicates a malfunction in the power steering pressure (PSP) sensor circuit. The PSP sensor...

The P0551 code indicates that the Power Steering Pressure (PSP) sensor circuit is out of the expected range...

The P0552 code indicates that the Power Steering Pressure (PSP) sensor circuit is reporting a voltage lower...

The P0553 code indicates that the Power Steering Pressure (PSP) sensor circuit is sending a voltage signal...

The P0554 code indicates that the Powertrain Control Module (PCM) has detected an intermittent signal from...

The P0555 code indicates a problem in the brake booster pressure sensor circuit. This sensor monitors vacuum...

The P0556 code indicates that the Engine Control Module (ECM) has detected a brake booster pressure sensor...

The P0557 code indicates that the brake booster pressure sensor is reporting a voltage lower than the...

The P0558 code indicates that the brake booster pressure sensor circuit is reading a voltage higher than the...

The P0559 code indicates an intermittent fault in the brake booster pressure sensor circuit. This sensor...

The P0560 code indicates that the powertrain control module (PCM) has detected a system voltage outside the...

The P0561 code indicates that the powertrain control module (PCM) has detected an unstable or erratic system...

The P0562 code indicates that the powertrain control module (PCM) has detected a system voltage below the...

The P0563 code indicates that the powertrain control module (PCM) has detected a system voltage higher than...

The P0564 code indicates a problem with the cruise control multi-function input circuit, which includes the...

The P0565 code indicates that the powertrain control module (PCM) has detected an incorrect or missing signal...

The P0566 code indicates that the powertrain control module (PCM) has detected a malfunction in the cruise...

The P0567 code indicates a malfunction in the cruise control resume signal circuit. This typically occurs...

The P0568 code indicates that the powertrain control module (PCM) has detected an issue with the cruise...

The P0569 code indicates that the powertrain control module (PCM) has detected a malfunction in the cruise...

The P056A code indicates a malfunction in the cruise control system's ability to increase the following...

The P056B code indicates that the powertrain control module (PCM) has detected a problem with the cruise...

The P0570 code indicates a malfunction in the cruise control acceleration signal circuit. This typically...

The P0571 code indicates a malfunction in the cruise control/brake switch A circuit. This switch is typically...

The P0572 code indicates that the powertrain control module (PCM) has detected a low voltage signal from the...

The P0573 code indicates that the powertrain control module (PCM) has detected a high voltage signal from the...

The P0574 code indicates that the powertrain control module (PCM) has detected the vehicle's speed exceeds...

The P0575 code indicates a problem in the cruise control input circuit, which typically involves the brake...

The P0576 code indicates that the Powertrain Control Module (PCM) has detected a low voltage signal from the...

The P0577 code indicates that the powertrain control module (PCM) has detected a high voltage signal from the...

The P0578 code indicates that the powertrain control module (PCM) has detected a stuck signal from the cruise...

The P0579 code indicates that the Powertrain Control Module (PCM) has detected an abnormal voltage signal...

The P0580 code indicates that the powertrain control module (PCM) has detected a low voltage condition in the...

The P0581 code indicates that the powertrain control module (PCM) has detected a high voltage signal from the...

The P0582 code indicates that the Powertrain Control Module (PCM) has detected an open circuit in the cruise...

The P0583 code indicates that the Powertrain Control Module (PCM) has detected a low voltage condition in the...

The P0584 code indicates that the powertrain control module (PCM) has detected a high voltage condition in...

The P0585 code indicates that the Powertrain Control Module (PCM) has detected a correlation error between...

The P0586 code indicates that the Powertrain Control Module (PCM) has detected an open or malfunction in the...

The P0587 code indicates that the Powertrain Control Module (PCM) has detected a low voltage condition in the...

The P0588 code indicates that the Powertrain Control Module (PCM) has detected a high voltage condition in...

The P0589 code indicates a problem in the cruise control multi-function input circuit, which includes signals...

The P0590 code indicates that the powertrain control module (PCM) has detected a stuck signal from the cruise...

The P0591 code indicates that the Powertrain Control Module (PCM) has detected an abnormal voltage or signal...

The P0592 code indicates that the powertrain control module (PCM) has detected a low voltage condition in the...

The P0593 code indicates that the powertrain control module (PCM) has detected a high voltage condition in...

The P0594 code indicates a problem in the cruise control servo control circuit, which is responsible for...

The P0595 code indicates that the Powertrain Control Module (PCM) has detected a low voltage condition in the...

The P0596 code indicates that the powertrain control module (PCM) has detected a high voltage condition in...

The P0597 code indicates that the engine control module (ECM) has detected an open circuit in the thermostat...

The P0598 code indicates that the powertrain control module (PCM) has detected a low voltage condition in the...

The P0599 code indicates that the powertrain control module (PCM) has detected a high voltage condition in...