Jeep Fault Code
Free · no signup55
No symptoms.
System
Not specified
Symptom
No symptoms.
Diagnosis & fix steps
End of Message.
LOGIC: All stored codes have been displayed.
ACTION: None.
FIX: None.
Red Seal field insights
If you see Code 55 immediately after starting the key sequence, it means there are no error codes stored in the PCM.
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.
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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Start your free trialRelated Jeep fault codes
- B1239Air Trapped at Floor Vents
- 51Lean misfire; Hissing sound; Hesitation on acceleration.
- 42Engine won't start or dies immediately; No fuel pump prime sound.
- 33No driveability symptoms unless A/C is in use.
- 27Misfire under load; Engine "stumbling" at highway speeds.
- 24High idle; Transmission shifting issues (XJ Auto); Engine won't return to idle quickly.
- 21Poor fuel economy; High idle; Engine stays in "Open Loop" mode.
- 14Rough idle; Engine "running rich" (smell of unburned gas); Poor throttle response.
- 12No driveability symptoms; Usually appears after battery work.
- 11Engine cranks but won't start; Sudden stalling when hitting bumps; No spark.