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Error information is stored in the A/CCM up to a maximum of 5 faults. Should a sensor fault occur there will be an audible beep and the message Er will be displayed on the control panel display for 5 seconds after ignition on. Please note that this will happen only once in any ignition switch cycle. The error source may be accessed by the following procedure

This procedure must be completed through one complete cycle, 1 through 6

Step	Result
#1 Simultaneously hold AUTO and RECIRC - Switch ignition to ON	Display element check
#2 Press AUTO	Display of stored fault (NUMERIC) code. If ZERO appears, there are no stored codes
#3 Press FACE	Scroll through stored faults (maximum of 5)
#4 Simultaneously press FACE and R	Clear stored fault codes (may need to be repeated for each fault)
#5 Press RECIRC (Press FAN to skip actuator check)	Initiate actuator check (Actuator codes 20 through 27 * )
#6 Press FAN	Exit error check mode

NOTE: * Actuator codes do NOT equate to system fault codes.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Fault Code Extraction and Deletion Procedure

Use the Manual With the Right Hardware

When to See a Mechanic