VOLVO · 2026-05-26
The purpose of this CBR is to assist in diagnosing Tire Pressure Monitoring System (TPMS) DTCs U101A /U101B as well as instructions to replace the TPMS Range Extends and Wireless Sensor Gateway if it is determined it is required.
U101B · Manufacturer communications
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
U101B ← What does this code mean?4 Results
MACK · 2026-05-26
Tire Pressure Monitoring System U101A / U101B Fault Solution
JAGUAR · 2014-01-06
"SITUATION: THE TRANSMISSION MAY BE STUCK IN PARK (P) ON ENGINE START UP. CAUSE: THIS MAY BE CAUSED WHEN, UNDER CERTAIN CONDITIONS, AN ENGINE START OCCURS BEFORE THE TRANSMISSION CONTROL MODULE (TCM) AND TRANSMISSION CONTROL SWITCH (TCS) ESTABLISH COMMUNICATIONS WITH OTHER VEHICLE MODULES / SYSTEMS. DIAGNOSTIC TROUBLE CODES (DTC) U0404-64 AND U101B-87 MAY ALSO BE STORED IN THE TCM AND THE TRANSMISSION MAY BE STUCK IN PARK (P)."
JAGUAR · 2014-01-06
"SITUATION: THE TRANSMISSION MAY BE STUCK IN PARK (P) ON ENGINE START UP. CAUSE: THIS MAY BE CAUSED WHEN, UNDER CERTAIN CONDITIONS, AN ENGINE START OCCURS BEFORE THE TRANSMISSION CONTROL MODULE (TCM) AND TRANSMISSION CONTROL SWITCH (TCS) ESTABLISH COMMUNICATIONS WITH OTHER VEHICLE MODULES / SYSTEMS. DIAGNOSTIC TROUBLE CODES (DTC) U0404-64 AND U101B-87 MAY ALSO BE STORED IN THE TCM AND THE TRANSMISSION MAY BE STUCK IN PARK (P)."