DESCRIPTION This DTC is set when the DCM (Telematics Transceiver) detects one of the following:
CAUTION / NOTICE / HINT HINT: Before performing this diagnostic procedure, make sure to perform Health Check and confirm that the DCM/VIN registration information is correct. Click here
PROCEDURE
(a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG) and wait for 10 seconds. (d) Turn the Techstream on. (e) Clear the DTCs. Body Electrical > Telematics > Clear DTCs(f) Recheck for DTCs. Body Electrical > Telematics > Trouble Codes
(a) Replace the BUB (Back-Up Battery) with a known good one and check if the same problem occurs again. Click here NOTICE: The BUB (Back-Up Battery) must not be replaced while an ACN call is in progress. Click here
(a) Clear the DTCs. Click here
(a) Recheck for DTCs and check if the same trouble occurs again. Click here OK: No DTC is output.
(a) Replace the DCM (Telematics Transceiver). Click here NOTICE:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Shut Down Signal Circuit
DESCRIPTION The cause of the malfunction may be a shutdown signal. Check whether there is a shutdown signal +B short circuit. Related Parts Check Area Inspection HSDN terminal Check that the HSDN terminal voltage decreases to check for an open or short circuit while READY off (IG ON). Hybrid vehicle ...
