DESCRIPTION These DTCs are stored when a malfunction occurs in the satellite radio antenna which is connected to the radio and display receiver assembly.
CAUTION / NOTICE / HINT NOTICE: After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary. PROCEDURE
(a) Check if the satellite radio antenna cable is securely connected to the stereo component tuner assembly. OK: Satellite radio antenna cable is securely connected.
(a) Replace the satellite radio antenna assembly with a known good one (See page
(b) Clear the DTCs (See page
(c) Check for DTCs (See page
OK: No DTCs are output.
(a) Replace the No. 1 navigation wire with a known good one.
(b) Clear the DTCs (See page (c) Check for DTCs (See page
OK: No DTCs are output.
(a) Replace the stereo component tuner assembly with a known good one.
(b) Clear the DTCs (See page (c) Check for DTCs (See page
OK: No DTCs are output. Result
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Toyota Tundra Service Manual > Can Communication System: Check Bus 1 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and termin ...