P0830 – Clutch pedal position (CPP) switch A -circuit malfunction


By Reinier (Contact Me)
Last Updated 2018-02-07
Automobile Repair Shop Owner

CodeFault LocationProbable Cause
P0830 Clutch pedal position (CPP) switch A -circuit malfunction
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Wiring, poor connection, CPP switch, ECM/PCM!TCM

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What Does Code P0830 Mean?

OBD II fault code P0830 is a generic code that is defined as “Clutch pedal position (CPP) switch “A” -circuit malfunction”, and is set when the PCM (Powertrain Control Module) detects a general malfunction or failure of the clutch pedal position switch itself, or the electrical circuits that are directly associated with the clutch pedal position switch. Note that since car manufacturers do not label circuits/parts/components in the same way, it is important to refer to the manual for the affected application to determine which part of the clutch pedal position switch is labelled “A”. Failure to do this could result in a misdiagnosis, and the unnecessary replacement of parts and components, which could include the starter motor solenoid, or even the entire starter motor.

NOTE: Note that code P0830 only affects applications with non-automated manual transmissions. Therefore, this code must not be confused with code P0900, which refers to malfunctions in circuits that control/monitor the clutch actuator position switch on applications with automated manual transmissions.

The purpose of the clutch pedal position switch is to monitor the position of the clutch pedal as a safety measure, to prevent the engine from being started while a manual transmission is not in neutral.

In practice, the clutch pedal position switch is a simple, normally open ON-OFF switch that is mounted in such a way that the clutch pedal acts directly upon it when the pedal is depressed. On most applications, one side of the switch is always supplied with current. When the clutch pedal is depressed, contacts inside the switch are brought into contact, which completes a circuit that then allows current to pass to the starter motor solenoid, thereby allowing the engine to be started.

Thus, in a fully functional system, this simple switch and circuit make it impossible for the engine to be started unless the clutch pedal is fully depressed, even if the manual transmission is not in gear. Note though that while a malfunction in, or failure of the switch or circuit will cause code P0830 to set, a warning light will not be illuminated. Depending on the nature of the malfunction, the only other symptom(s) of this code will be that the engine cannot be started even if the clutch pedal is depressed, or that the engine can be started without the need to depress the clutch pedal.

Where is the P0830 sensor located?

The image above shows the typical location of the clutch pedal position switch, (the little white box on the clutch pedal support bracket) relative to the position of the clutch pedal. However, on some applications, the switch is located behind the clutch pedal, but regardless of where the switch is located, the switch is always located in such a manner that the clutch pedal acts on it directly.

What are the common causes of code P0830 ?

Some common causes of code P0830 could include the following-

  • Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors
  • Defective, or worn clutch pedal position switch
  • Blown fuse(s) or fusible link(s) where applicable
  • Incorrectly adjusted clutch pedal position switch
  • Failed or failing PCM. Note that this is an exceedingly rare event, and the fault must therefore be sought elsewhere before any control module is replaced

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