Chrysler
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    CNG Temperature Sensor High Input Conditions
Cause:
    Engine running, then the test started and the PCM detected that the CNG temperature input was over 4.96v. Refer to Circuit Test or code repair chart for details to test CNG sensor, its related circuits and the PCM.

Ford
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Engine Fuel Temperature Sensor 'A' Circuit High Conditions
Cause:
    Engine running, then the PCM detected an EFT sensor 'A' signal that was more than the calibrated limit of 4.50v [-46°F] during the self-test

Generic
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Fuel Temperature Sensor "A" Circuit High

GM
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Fuel Temperature Sensor Circuit High Input Conditions
Cause:
    Engine runtime over 8 minutes, then the PCM detected that the Fuel Temperature sensor input was less than or equal to 64°F, condition met for 2 seconds

Nissan
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Fuel tank temperature sensor - voltage high
Cause:
    Wiring, fuel tank temperature sensor, ECM