FAULT CODE 319
Real Time Clock Power Interrupt - Data Erratic, Intermittent, or Incorrect
Overview
CODE | REASON | EFFECT |
Fault Code: 319 | Real Time Clock Power Interrupt - Data Erratic, Intermittent, | None on performance. Data in the engine control module |
PID: | or Incorrect. real time clock backup battery lost power. | (ECM) will not have accurate time and date information. |
SPN: 251 | ||
FMI: 2/2 | ||
LAMP: Maintenance | ||
SRT: |
Real Time Clock Backup Battery Circuit
Circuit Description
Under ordinary operating conditions, the real time clock backup battery in the ECM is powered by the vehicle's batteries. If battery power to the ECM is lost, then the real time clock backup battery will be powered by a battery in the engine harness (if equipped).
Component Location
The real time clock backup battery is secured to the engine harness near the ECM. Use the following procedure for a detailed component view location. Refer to Procedure 100-002 in Section E.
Shop Talk
This fault indicates that the real time clock backup battery in the ECM lost power. Possible causes for this fault are weak or damaged real time clock backup battery, damaged wiring or connectors between the battery and ECM, or the engine is not equipped with a real time clock backup battery and the vehicle battery power to the ECM is lost.
Refer to Troubleshooting Fault Code t05-319.
Last Modified: 03-Jan-2013
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