Bosch OBD1000

This message appears if the PocketScan Code Reader cannot establish a connection with the vehicle's computer. This means the tool cannot read or erase trouble codes at this time.

This code indicates that the engine temperature has exceeded the normal operating range. The vehicle's computer has detected an overheating condition.

This code signifies that the engine oil temperature has risen above the acceptable limit. This can indicate a problem with the oil cooling system or lubrication.

This code means the engine's computer has detected that multiple cylinders are not firing correctly. This can cause rough idling, reduced power, and increased emissions.

This code indicates a small leak has been detected in the evaporative emission control (EVAP) system. This system captures fuel vapors from the tank and prevents them from escaping into the atmosphere.

This code indicates a large leak has been detected in the evaporative emission control (EVAP) system. This is a more significant leak than indicated by P0442.

This code indicates a very small leak has been detected in the evaporative emission control (EVAP) system. This is the smallest leak size detected by the system.

This code indicates a high voltage issue in the cruise control vacuum control circuit. It means the system is detecting a signal that is too strong or a short to a high voltage source.

This code means there is an unexpected signal correlation from one of the multi-function inputs for the cruise control system. The system cannot reconcile the inputs it is receiving.

This code signifies an open circuit or a break in the cruise control vent control circuit. The signal cannot reach its destination.

This code indicates a low voltage condition in the cruise control vent control circuit. The signal is weaker than expected, possibly due to a short to ground.

This code means the cruise control vent control circuit has a high voltage reading. This could indicate a short to a higher voltage source.

This code relates to a malfunction in the 'B' circuit of the cruise control's multi-function input. There may be an issue with the input signal itself.

This code indicates that the cruise control multi-function input 'B' circuit is stuck in one position. It is not responding to changes.

This code means the range or performance of the cruise control multi-function input 'B' circuit is outside of acceptable limits. The signal is not within the expected parameters.

This code suggests a low voltage reading in the cruise control multi-function input 'B' circuit. This often points to a short to ground.

This code indicates a high voltage reading in the cruise control multi-function input 'B' circuit. This could be a short to voltage.

This code indicates an open circuit in the cruise control servo control. The signal path is broken, preventing the servo from operating.

This code means the cruise control servo control circuit has a low voltage reading. This usually indicates a short to ground.

This code signifies a high voltage reading in the cruise control servo control circuit. This often points to a short to voltage.

This code indicates an open circuit in the main cruise control circuit. The signal flow is interrupted.

This code means the cruise control control circuit has a low voltage reading. This often suggests a short to ground.

This code indicates a high voltage reading in the cruise control control circuit. This usually points to a short to voltage.

This code indicates a malfunction in the serial communication link between control modules. They are unable to exchange data properly.

This code means there is an error in the internal memory of the control module, specifically with the checksum. The module's memory may be corrupted.

This code indicates an error occurred during the programming or configuration of the control module. It may not be set up correctly.

This code signifies an error with the Keep Alive Memory (KAM) in the Powertrain Control Module (PCM). This memory stores learned values and settings.

This code indicates a fault within the Random Access Memory (RAM) of the Powertrain Control Module (PCM). This memory is used for active data processing.

This code indicates a fault with the Read Only Memory (ROM) of the Powertrain Control Module (PCM). This memory contains the module's operating software.

This code means the main processor within the Powertrain Control Module (PCM) has detected an internal fault. The PCM's brain is not functioning correctly.

This general code indicates that the control module is not performing its functions correctly. It could be a variety of internal or communication issues.

This code means there is a malfunction in the Vehicle Speed Sensor (VSS) output signal 'A' from the control module. The module is not sending the correct speed data.

This code indicates a malfunction in the Vehicle Speed Sensor (VSS) output signal 'B' from the control module. Similar to P0608, but for a different output channel.

This code signifies a malfunction related to the vehicle's configuration or option settings stored within the control module. The module's option data is incorrect.

This code indicates a performance issue with the injector control module. It is not controlling the fuel injectors as expected.

This code signifies a problem with the control circuit for the injector control module relay. The relay is not being activated or deactivated correctly.

This code indicates a fault within the processor of the Transmission Control Module (TCM). The main processing unit of the TCM is malfunctioning.

This code means the Engine Control Module (ECM) and Transmission Control Module (TCM) are not compatible with each other. They may have different software versions or hardware.

This code indicates a problem with the starter relay circuit. The circuit that controls the starter motor engagement is not functioning correctly.

This code means the starter relay circuit has a low voltage reading, likely indicating a short to ground.

This code indicates a high voltage reading in the starter relay circuit, typically a short to voltage.

This code indicates an error with the Keep Alive Memory (KAM) in the Alternative Fuel Module. This memory stores settings for alternative fuel systems.

This code signifies a general memory issue within the Alternative Fuel Module. It could be RAM or ROM related.

This code indicates a malfunction in the control circuit for the generator (alternator). The system responsible for regulating charging is not working correctly.

This code refers to a problem with the 'L' terminal lamp control circuit for the generator. This circuit often illuminates the battery warning light.

This code indicates a malfunction in the 'F' terminal field control circuit of the generator. This circuit controls the generator's output.

This code signifies a problem with the generator's lamp control circuit. This circuit is typically related to the charging system warning light.

This code indicates a malfunction in the fuel cap warning lamp circuit. This lamp usually illuminates when the fuel cap is not properly sealed.

This code means the generator's 'F' terminal field control circuit has a low voltage reading, often indicating a short to ground.

This code indicates a high voltage reading in the generator's 'F' terminal field control circuit, usually due to a short to voltage.

This code indicates an open circuit in the control circuit for Fuel Pump A. The signal to operate the fuel pump is interrupted.

This code means the fuel pump 'A' control circuit has a low voltage reading, commonly indicating a short to ground.

This code indicates a high voltage reading in the fuel pump 'A' control circuit, typically a short to voltage.

This code indicates that the Vehicle Identification Number (VIN) has not been programmed into the Powertrain Control Module (PCM), or the programmed VIN does not match the vehicle's actual VIN.

This code means the Vehicle Identification Number (VIN) has not been programmed into the Transmission Control Module (TCM), or the VIN is incorrect.

This code signifies that the odometer reading or code has not been programmed into the Engine Control Module (ECM) or Powertrain Control Module (PCM).

This code indicates that the immobilizer system code has not been programmed into the ECM/PCM. The vehicle may not start without this code.

This code means the internal temperature of the PCM, ECM, or TCM has exceeded its safe operating limit. Overheating can cause component damage.

This code indicates a problem with the power steering control circuit. The system responsible for assisting steering is not functioning correctly.

This code means the power steering control circuit has a low voltage reading, often indicating a short to ground.