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Electric Vacuum Pump System Indicator Does Not Go Off, and No DTCs Are Stored




Electric vacuum pump system indicator does not go off, and no DTCs are stored

Press the brake pedal several times.

Start the engine.

Check the F-CAN lines between the PCM and the gauge control module, and troubleshoot the gauge control module DTC Initial Inspection and Diagnostic Overview.

Check for fuel and emission systems DTCs with the HDS, and troubleshoot the system Initial Inspection and Diagnostic Overview.

Update the PCM PCM Update or substitute a known-good PCM, then recheck. If the system is OK with the substituted PCM, replace the original PCM Service and Repair.