A/T - Remains in Fail Safe Mode With Codes Set

Classification:
AT00-007A

Reference:
NTB00-080A

Date:
April 4, 2001

2000-2001 SENTRA LACKS POWER (A/T IN 3RD GEAR FAILSAFE) DUE TO LOW BATTERY VOLTAGE

ATTENTION:
This bulletin amends NTB00-080. Applied Vehicle and Applied VIN information have been added. Please discard all paper copies of NTB00-080.

APPLIED VEHICLES:
2000-2001 Sentra (B15)

APPLIED VINS:
Vehicles built before
3N1CB51D61L454993
3N1BB51D81L114935

APPLIED DATES:
Vehicles built before November 6, 2000

APPLIED ENGINES:
Vehicles with QG18DE or SR2ODE Engines

SERVICE INFORMATION

If an applied 2000 or 2001 Sentra experiences cranking voltage below 8 volts, the A/T Control Unit may enter fail-sate mode. The customer may indicate the vehicle lacks power and that the transmission remains in third gear at all times. If this incident occurs, the MIL will not illuminate and the following trouble codes will be stored in Self-Diagnosis Memory in CONSULT A/T:

^ VHCL SPEED SEN-A/T (Vehicle Speed Sensor Automatic Transmission [Revolution Sensor)) and

^ VHCL SPEED SEN-MTR (Vehicle Speed Sensor-Meter)

Should the incident occur, perform the following service procedure. Check for the stored trouble codes, test the engine charging system/battery, and repair the charging system/battery. Then install the replacement Revolution Sensor Assembly listed in the PARTS INFORMATION section of this bulletin.

SERVICE PROCEDURE

1. Perform Self-Diagnosis using CONSULT-II to check for VHCL SPEED SEN-A/T and VHCL SPEED SEN-MTR trouble codes stored.

2. Use Nissan Battery/Starting/Charging System Tester (Kent-Moore tool # J-44373, Model 620) to check the vehicle's battery and charging system for proper battery voltage.

NOTE:
Refer to bulletin number NTB99-044b, Nissan Battery/Starting/Charging System Tester, for information about Kent-Moore tool # J-44373, Model 620 and procedures for testing the vehicle's battery and charging system.

3. Repair the charging system/battery.

4. Install the replacement Revolution Sensor Assembly listed in the PARTS INFORMATION section.





PARTS INFORMATION

CLAIMS INFORMATION





Submit a Primary Failed Part (PP) line claim using the claims coding shown.