Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P1260:00Immobilizer system problem
P1260IMMOBILIZER SYSTEM PROBLEM
Manufacturer communications
6Original wording in English
MAZDA
Key Transmitter Power Saving Function: When the key transmitter Power Saving Function is turned ON, transmitter battery power consumption is restricted, thereby extending the transmitter battery life and the following will occur: The engine will not start unless the key transmitter is held over the Start Stop button. • Outside d…
FORD
FORD: SOME VEHICLES MAY EXHIBIT A PARTS NO CRANK/NO START CONDITION WITH DIAGNOSTIC TROUBLE CODES 9DTC) P1260 IN THE POWERTRAIN CONTROL MODULE (PCM) AND U0100 IN THE INSTRUMENT CLUSTER (IC). *PE
MAZDA
ENGINE NO CRANK ALONG WITH IMMOBILIZER MALFUNCTION. DIAGNOSTIC TROUBLE CODES P1260 (IMMOBILIZER SYSTEM PROBLEM) AND B1600/B1602 (KEY ID NUMBER CANNOT BE READ) AND/OR U2516 (IC-CAN BUS OFF TRANSMIT ERROR) MAY BE STORED IN MEMORY. MAZDA M-TIPS. *TT
LINCOLN
SOME VEHICLES CARS BUILT BETWEEN 4/17/2001 AND 6/14/2001 MAY EXHIBIT A CRANK / NO-START CONDITION WITH DIAGNOSTIC TROUBLE CODE P1260 AND U1147 IN MEMORY. *TT
Check vehicle applicability
43A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
THEFT Detected, Vehicle Immobilzed
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.