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Welcome to our OBD Codes Home Where you can find codes for all of your car and trucks. We currently have a lot of Honda codes and do have a standard OBD II code list so select your OBD on the right in the menu and everything is organized there. We even have some ABS codes too! More will be added as we go! Below are new articles that we publish often.

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GM Trouble Code 13 indicates that the exhaust stream oxygen-content sensor (O2 sensor) is not responding as expected. When cold, the sensor is 'biased' by the ECM to about 450 millivolts. Before it warms to at least 600 deg F (315 deg C) it acts as an open circuit and when the ECM reads it, it reads the 450 mV bias. The ECM expects the sensor to warm in a short period of time and begin sending its own voltages. The general conditions for this code getting set are:

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GM Trouble Code 12 is a special-case code that is not logged into the ECM's Non-Volatile Memory (NVM) when detected. When the ECM detects no ignition reference pulses from the ignition module when the ignition is in the 'ON' position, it illuminates the Check Engine Lamp (CEL), but does not log this code as it would other codes.

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12 = ERROR CODE DIAGNOSTIC SYSTEM FUNCTIONING CORRECTLY

13 = OXYGEN SENSOR CIRCUIT OPEN

14 = COOLANT TEMPERATURE SENSOR (CTS) CIRCUIT (HIGH TEMP)

15 = COOLANT TEMPERATURE SENSOR (CTS) CIRCUIT (LOW TEMP)

21 = THROTTLE POSITION SENSOR (TPS) CIRCUIT (HIGH)

22 = THROTTLE POSITION SENSOR (TPS) CIRCUIT (LOW)

23 = MANIFOLD AIR TEMP (MAT) or INTAKE AIR TEMP (IAT) CIRCUIT (LOW TEMP)

24 = VEHICLE SPEED SENSOR (VSS) CIRCUIT

25 = MANIFOLD AIR TEMP (MAT) or INTAKE AIR TEMP (IAT) CIRCUIT (HIGH TEMP)

26 = QUAD-DRIVER (QDM) ERROR (if applicable)

32 = EXHAUST GAS RECIRCULATION (EGR) CIRCUIT

33 = MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (VOLTAGE HIGH-LOW VACUUM)

34 = MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (VOLTAGE LOW-HIGH VACUUM)

35 = IDLE SPEED CONTROL (ISC) CIRCUIT

41 = CYLINDER SELECT ERROR (FAULTY OR INCORRECT MEM-CAL)

42 = ELECTRONIC SPARK TIMING (EST) CIRCUIT

43 = ELECTRONIC SPARK CONTROL (ESC) CIRCUIT

44 = OXYGEN SENSOR CIRCUIT (LEAN EXHAUST)

45 = OXYGEN SENSOR CIRCUIT (RICH EXHAUST)

51 = MEM-CAL ERROR (FAULTY OR INCORRECT MEM-CAL)

53 = SYSTEM OVER VOLTAGE

54 = FUEL PUMP CIRCUIT (LOW VOLTAGE)

55 = ECM ERROR

61 = DEGRADED OXYGEN SENSOR

66 = A/C PRESSURE SENSOR CIRCUIT


 
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