CAR OBD CODES
OBD/DTC Search, e.g.P0507
CAR OBD CODES P0507
P0507 OBD Code Definition:
P0507 Idle Air Control System RPM Higher Than Expected
P0507 OBD Code Description:
OBD2 Code P0507 Definition:
This P0507 code is one that’s sometimes triggered on vehicles that have electronic throttle control. That is, they don’t have a regular throttle cable from the accelerator pedal to the engine. They rely on sensors and electronics to control the throttle. In this case, the P0507 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is greater than the desired (pre-programmed) RPM. In the case of GM vehicles (and possibly others) if the idle speed is over 200 rpm higher than expected, this code will be set.
Symptoms
Possible sumptoms of P0507
Most likely you’ll notice the idle speed is higher than normal. There are potentially other symptoms as well. Of course, when trouble codes are set, the MIL (malfunction indicator lamp, a.k.a. the check engine light) illuminates.
Possible Causes
Possible causes of P0507
A P0507 DTC trouble code may be caused by one or more of the following: A vacuum leak Leaking air intake after the throttle body EGR valve leaking vacuum A faulty positive crankcase ventilation (PCV) valve Damaged/failed/dirty throttle body Failed EVAP system Failed IAC (idle air controller) or faulty IAC circuit
Possible Solutions
This DTC is more of an informational code, so if there are any other codes set, diagnose them first. If there are no other codes, inspect the intake air system for air or vacuum leaks and damage. If there are no symptoms other than the DTC itself, just clear the code and see whether it returns. If you have an advanced scan tool that can interact with the car, command the idle higher and lower to see if the engine responds appropriately. Also check the PCV valve to see if it’s blocked and needs to be replaced. Check the IAC (idle air controller) if equipped, verify it’s operation. If available, try swapping in a new throttle body to see if that fixes the problem. On Altimas and possibly other vehicles the problem may be fixed by having the dealer perform an idle air relearn procedure, or other relearn procedures.
Note: The information on the P0507 error code is purely informative, if you need more useful information, please consult your technician.
B0775 B1586 B2884 B1227 B299D B2A0C B2610 B117C B1874 B1456 B2707 B0040 B1514 B226C B1285 OBDII Chassis Codes
C112C C1904 C1269 C0038 C1098 C1893 C1A76 C1A63 C1004 C1815 C1916 C1296 C0559 C1948 C1A03 OBDII Network Codes
U0059 U1184 U0051 U0223 U0442 U0093 U1194 U047E U2403 U041C U0129 U2474 U0529 U0471 U1146 OBDII Powertrain Codes
P2726 P074E P1719 P0553 P2A08 P1553 P0A71 P117D P1589 P2555 P011C P0ABD P0564 P1131 P0BC1