U1000 — OBD-II trouble code

A network / communication OBD-II trouble code. Below are the vehicles and failure patterns where owners report it, drawn from NHTSA complaints.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite U1000 across 11 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report U1000 11 patterns

2015 Nissan Rogue

electrical — Body Control Module (BCM) Failure / No-Start Condition

2013 Mazda Mazda3

powertrain — Transmission Control Module (TCM) malfunction and overheating

2012 Nissan Altima

electrical — Instrument cluster and gauge failure

2011 Chevrolet Equinox

electrical — Engine stalling and loss of power while driving

2011 Nissan Altima

powertrain — CVT transmission failure with complete power loss

2008 Nissan Pathfinder

powertrain — Radiator-to-transmission coolant leak

2007 Nissan Xterra

powertrain — Radiator-to-transmission coolant leak (SMOD/Intermix)

2007 Nissan Xterra

electrical — CAN Bus/Ground Harness Fault with Ambiguous Diagnosis

2006 Nissan Armada

electrical — Dashboard warning lights (ABS, VDC, SLIP, BRAKE) with brake and ABS system malfunction

2005 Nissan Murano

powertrain — CVT Transmission Failure - Loss of Power/Drivability

2005 Nissan Murano

engine — Throttle Body Malfunction

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →