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DTC B222C: Coding incomplete
 
 
 
 
TROUBLE JUDGMENT
If the ETACS-ECU is in the initial state or the variant coding is incomplete, the ETACS-ECU sets DTC B222C.
 
 
TROUBLESHOOTING HINTS
  • Variant code not written
  • The ETACS-ECU may be defective.
 
 
DIAGNOSIS
Recheck for diagnostic trouble code.
Check again if the DTC is set to the ETACS-ECU.
(1)
cautionTo prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
Connect scan tool MB991958. Refer to "How to connect the Scan Tool (M.U.T.-III) ."
(2) Turn the ignition switch to the "ON" position.
(3) Perform the variant coding to the ETACS-ECU.
(4) Erase the DTC.
(5) Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(6) Check if DTC is set.
(7) Turn the ignition switch to the "LOCK" (OFF) position.
Is the DTC set?
Replace with the coded ETACS-ECU.
The diagnosis is complete.