U1000 on Infiniti
Manufacturer-Specific Network/Communication Fault (Ford SCP/CAN)
U1000 on Infiniti vehicles indicates manufacturer-specific network/communication fault (ford scp/can). Au7o has documented this code across 2 Infiniti models — most commonly on QX50, QX60. U1000 is a manufacturer-specific network communication code (most commonly seen on Ford/Mazda as an SCP/J1850 or CAN data-bus fault) indicating that one control module is not receiving valid or expected data from another module over the vehicle's communication network. It is typically a symptom rather than the root problem, pointing to a break in module-to-module messaging. The specific implicated module and bus depend on the manufacturer, so a capable scan tool is needed to trace which network or module is failing. Typical repair costs on Infiniti range from $200 to $1,800, depending on the specific model and root cause.
Common Causes of U1000
- •Damaged or corroded network (CAN/SCP) wiring or connectors
- •Loss of power or ground to a control module
- •Failed or internally faulty control module on the bus
- •Poor connections at the data link connector
- •Water intrusion / corrosion in a module or harness
- •Software/configuration mismatch after module replacement
U1000 on Infiniti by Model
Infiniti QX50(1 issue)
- Steering Wheel Lock / Ignition No-Start from Electronic Steering Lock Failure2014-2016
Infiniti/Nissan vehicles using the electronic steering column lock system have a well-documented failure mode where the vehicle will not recognize the lock state, leaving the car unable to start even though the battery and key fob appear normal. The issue is widely discussed across Nissan/Infiniti owner communities and tied to the steering lock control unit used on related FM-platform vehicles. Owners typically report a sudden no-start with the steering wheel locked or the ignition staying in ACC/ON behavior without cranking.
Infiniti QX60(1 issue)
- Battery Drain / No-Start from Telematics, Infotainment, or Control Module Sleep Issues2022-2025
Owners of the redesigned QX60 have reported dead batteries, repeated jump-starts, and no-start conditions after the vehicle sits overnight or for a few days. Complaints and forum reports point to parasitic draw from modules that do not go to sleep properly, including telematics and infotainment-related systems, rather than a simple worn battery in many low-mileage cases. The problem is especially frustrating because battery replacement alone may not permanently fix it.
Looking for U1000 on a different make?
View U1000 across all makes →Frequently Asked Questions
What does U1000 mean on Infiniti?▼
U1000 stands for "Manufacturer-Specific Network/Communication Fault (Ford SCP/CAN)." U1000 is a manufacturer-specific network communication code (most commonly seen on Ford/Mazda as an SCP/J1850 or CAN data-bus fault) indicating that one control module is not receiving valid or expected data from another module over the vehicle's communication network. It is typically a symptom rather than the root problem, pointing to a break in module-to-module messaging. The specific implicated module and bus depend on the manufacturer, so a capable scan tool is needed to trace which network or module is failing. On Infiniti specifically, this code is documented across 2 models.
What causes U1000 on Infiniti vehicles?▼
Common causes on Infiniti: Damaged or corroded network (CAN/SCP) wiring or connectors, Loss of power or ground to a control module, Failed or internally faulty control module on the bus, Poor connections at the data link connector, Water intrusion / corrosion in a module or harness. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix U1000 on a Infiniti?▼
Repair costs on Infiniti range from $200 to $1,800, depending on the specific model and root cause.
Which Infiniti models have U1000 documented?▼
Au7o has documented U1000 on 2 Infiniti models: QX50, QX60.