SCP (J1850) Invalid or Missing Data for Cellular Phone / Paging System
U1170 — SCP (J1850) Invalid or Missing Data for Cellular Phone / Paging System. It is a medium-severity fault: you can usually keep driving for short distances. The most common cause is damaged wiring, corrosion or a loose connector in the circuit.
"Caution: ignore it long enough and it gets expensive opinions about your wallet."
U1170 is a network diagnostic trouble code. It identifies a fault related to SCP (J1850) Invalid or Missing Data for Cellular Phone / Paging System. The network/communication module monitors this circuit or component continuously and sets U1170 when the signal or value is outside the expected range, implausible or missing. This points to a communication or module fault that can affect one or more connected systems. The base function may still work, but performance can be affected, so the fault should be diagnosed. Diagnosis generally means inspecting the related wiring, connectors and power/ground references, then verifying the component against specification with a scan tool.
- Warning light(s) on the dashboard
- One or more connected systems may report faults
- Fault code stored in the control module
| # | Cause |
|---|---|
| 01 | Damaged wiring, corrosion or a loose connector in the circuit |
| 02 | Faulty sensor, actuator or component referenced by the code |
| 03 | Open, short or high resistance in the circuit |
| 04 | Poor power supply or ground reference to the component |
| 05 | Failed control module |
Our departments
Everything you need, picked by us
Spare parts comparator, new and usedfrom the fault code to the part
Tools and diagnosticsfor repairing it yourself
Tyres for car, motorbike, scootertyres and wheels, in 15 countries
Accessoriesinside and outside the cabin
Tuningsuspension, turbo, exhausts
Batteriesstarting and charging
Coming soonDealership car, motorbike, scootervehicles for saleNo technical service bulletins or recalls currently reference U1170. This section updates automatically when manufacturers publish related bulletins.
YES, WITH CAUTION — get it diagnosed as soon as possible.