What does RAM fault code P0507 mean?

Q: What does RAM fault code P0507 mean?

P0507 indicates: Engine idles higher than normal (900+ RPM); Hissing sound from engine bay. Fix: Idle Control System RPM Higher Than Expected. LOGIC: The ECM cannot pull the idle down to the target RPM despite commanding the throttle and fueling down. ACTION: 1. Check for vacuum/intake leaks after the throttle body. 2. Inspect the Intake Throttle Body for carbon sticking. FIX: Clean Intake Throttle Body; repair intake plenum leaks.

RAM Fault Code

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P0507

Engine idles higher than normal (900+ RPM); Hissing sound from engine bay.

System

Not specified

Symptom

Engine idles higher than normal (900+ RPM); Hissing sound from engine bay.

Diagnosis & fix steps

Idle Control System RPM Higher Than Expected. LOGIC: The ECM cannot pull the idle down to the target RPM despite commanding the throttle and fueling down. ACTION: 1. Check for vacuum/intake leaks after the throttle body. 2. Inspect the Intake Throttle Body for carbon sticking. FIX: Clean Intake Throttle Body; repair intake plenum leaks.

Red Seal field insights

On the 6.7L, the CCV (Crankcase Ventilation) filter can get full and oily, causing oil to coat the intake throttle. If the throttle butterfly can't close fully, the idle stays high.

Same code keeps coming back?

That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.

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Read before you touch anything

This is general reference information, not a repair manual. It is for trained, qualified technicians.
Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.

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