GEM Diagnostic Trouble Code (DTC) Index
DTC Description
DTC
Caused By Action
B1302 Accessory Delay Relay Coil Open or Short to Ground (Only
Set if Battery Saver Relay Has No Faults)
GEM REFER to Section 501-11.
B1304 Accessory Delay Relay Coil Short to Power GEM REFER to Section 501-11.
B1313 Battery Saver Relay Coil Open or Short to Ground GEM REFER to Section 417-02.
B1315 Battery Saver Relay Coil Short to Power GEM REFER to Section 417-02.
B1317 Battery Voltage HIGH, Greater Than 18.0 Volts GEM REFER to Section 414-00.
B1318 Battery Voltage LOW, Less Than 10 Volts GEM REFER to Section 414-00.
B1322 LF Door Open Warning Circuit Short to Ground, or Door
Open
GEM REFER to Section 417-02.
B1323 Door Open Warning Lamp Open or Short to Ground GEM REFER to Section 413-01A or Section 413-01B.
B1325 Door Open Warning Lamp Short to Power GEM REFER to Section 413-01A or Section 413-01B
B1330 RF Door Open Warning Circuit Short to Ground, or Door
Open
GEM REFER to Section 417-02.
B1342 ECU is Defective, RAM/ROM Checksum Failure GEM CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, REPLACE the
GEM. REFER to Section 419-10. TEST the system for normal operation.
B1352 Key-in-Ignition Circuit Open GEM REFER to Section 413-09.
B1355 Ignition RUN Circuit Open GEM REFER to Section 211-05, Symptom Chart.
B1359 Ignition RUN/ACC Circuit Open GEM REFER to Section 211-05, Symptom Chart.
B1365 Ignition START Circuit Short to Power GEM REFER to Section 211-05, Symptom Chart.
B1371 Interior Lamp Relay Coil Open or Short to Ground GEM REFER to Section 417-02.
B1373 Interior Lamp Relay Coil Short to Power GEM REFER to Section 417-02.
B1398 LF One-Touch Down Power Window Relay Coil Open or
Short to Ground
GEM REFER to Section 501-11.
B1400 LF One-Touch Down Power Window Relay Coil Short to
Power
GEM REFER to Section 501-11.
B1405 LF Power Window Switch Down Circuit Short to Power GEM REFER to Section 501-11.
B1408 LF Power Window Switch Up Circuit Short to Power GEM REFER to Section 501-11.
B1410 LF Power Window Motor Excessive Current Draw GEM REFER to Section 501-11.
B1426 Safety Belt Lamp Circuit Short to Power GEM REFER to Section 413-01A or Section 413-01B.
B1428 Safety Belt Lamp Circuit Open or Short to Ground GEM REFER to Section 413-01A or Section 413-01B.
B1431 Wiper RUN/PARK Relay Coil Circuit Open or Short to
Ground
GEM REFER to Section 501-16.
B1432 Wiper RUN/PARK Relay Coil Circuit Short to Power GEM REFER to Section 501-16.
B1434 Wiper HI/LO Speed Relay Coil Circuit Open or Short to
Ground
GEM REFER to Section 501-16.
B1436 Wiper HI/LO Speed Relay Coil Circuit Short to Power GEM REFER to Section 501-16.
B1438 Wiper Mode Select Switch Open or Short to Power GEM REFER to Section 501-16.
B1441 Wiper Mode Select Switch Circuit Short to Ground GEM REFER to Section 501-16.
B1446 Wiper Motor PARK Sense Circuit Short to Ground GEM REFER to Section 501-16.
B1450 Wiper Interval Delay Switch Circuit Open or Short to Power GEM REFER to Section 501-16.
B1453 Wiper Interval Delay Switch Circuit Short to Ground GEM REFER to Section 501-16
B1458 Washer Pump Motor Relay Coil Circuit Open or Short to
Ground
GEM REFER to Section 501-16.
B1460 Washer Pump Motor Relay Coil Short to Power GEM REFER to Section 501-16.
B1462 Safety Belt Switch Circuit Open GEM REFER to Section 413-09.
B1466 Wiper HI/LO Speed Not Switching GEM REFER to Section 501-16.
B1467 Wiper HI/LO Speed Motor Circuit Short to Power GEM REFER to Section 501-16.
B1473 Wiper LO Speed Motor Circuit Failure (Wiper Energized
and Park Sense Not Seen)
GEM REFER to Section 501-16.
B1476 Wiper LO Speed Motor Circuit Failure (Wiper Energized
and Park Sense Not Seen)
GEM REFER to Section 501-16.
B1483 Brake Pedal Input Open Circuit (No Brake Input Seen For 8
Ignition Cycles)
GEM GO to Pinpoint Test B.
B1485 Brake Pedal Input Circuit Short to Battery GEM GO to Pinpoint Test B.
B1577 Headlamp/Parking Lamp Input Circuit Short to Power GEM REFER to Section 417-01.
B1610 Illuminated Entry Input Short to Ground GEM REFER to Section 417-02.
B1840 Wiper Power Circuit Failure GEM REFER to Section 501-16.
P0500 Vehicle Speed Signal Not Detected GEM GO to Pinpoint Test B.
P1804 4-Wheel Drive HI Indicator Open or Short to Ground GEM GO to Pinpoint Test C.
P1806 4-Wheel Drive HI Indicator Short to Power GEM GO to Pinpoint Test C.
P1808 4-Wheel Drive LO Indicator Open or Short to Ground GEM GO to Pinpoint Test C.
Page 3 of 741998 F-150/250 Workshop Manual
1/11/2011http://www.fordtechservice.dealerconnection.com/pubs/con...
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