Nissan Sentra manuals

Nissan Sentra B18 (2020-2025) Service Manual: Flash Code Index

Flash Code Index

WARNING LAMP FLASH CODE CHART

How to read flash codes

  1. Put the Nissan Sentra vehicle in Diagnosis Mode. Refer to Trouble Diagnosis without CONSULT.

  2. All codes are proceeded by a seven second ”holding” flash.

  3. Identify how many primary flashes are displayed as well as the length of each primary flash.

  4. Refer to the tables and examples below to determine which SRS subsystem the code belongs to.

  5. Count the short secondary flashes that follow the primary flashes.

  6. Match the correct flashing pattern to the malfunctioning component and perform the Diagnosis Procedure.

Refer to the illustrations below for an example of each flashing pattern.

Front subsystem

Flashes

(Primary)

Flash Length

(seconds)

Flashes

(Secondary)

Malfunctioning Component or Circuit

Reference

2

1.5

1

Driver air bag module

DTC Index (B0001)

DTC Index (B0002)

2

Front passenger air bag module

DTC Index (B0010)

DTC Index (B0011)

3

Front LH seat belt pre-tensioner (shoulder)

DTC Index (B1029)

4

Front RH seat belt pre-tensioner (shoulder)

DTC Index (B102A)

5

Front LH seat belt pre-tensioner (lap)

DTC Index (B1001)

6

Front RH seat belt pre-tensioner (lap)

DTC Index (B1002)

Side subsystem

Flashes

(Primary)

Flash Length

(seconds)

Flashes

(Secondary)

Malfunctioning Component or Circuit

Reference

3

1.5

1

Front LH side air bag module

DTC Index (B0020)

2

Front RH side air bag module

DTC Index (B0028)

3

LH side curtain air bag module

DTC Index (B0021)

DTC Index (B0022)

4

RH side curtain air bag module

DTC Index (B0029)

DTC Index (B002A)

Air bag subsystem

Flashes

(Primary)

Flash Length

(seconds)

Flashes

(Secondary)

Malfunctioning Component or Circuit

Reference

1

3

1

Collision detection

DTC Index (B12B5)

2

Air bag diagnosis sensor unit

DTC Index (B1000)

3

Front passenger air bag OFF indicator

DTC Index (B00D5)

4

Occupant classification system

DTC Index (B00A0)

DTC Index (B1019)

Sensor subsystem

Flashes

(Primary)

Flash Length

(seconds)

Flashes

(Secondary)

Malfunctioning Component or Circuit

Reference

2

3

1

Crash zone sensor

DTC Index (B0094)

2

Rear side air bag satellite sensor LH

DTC Index (B0093)

3

Rear side air bag satellite sensor RH

DTC Index (B0098)

4

Front door satellite sensor LH

DTC Index (B0091)

5

Front door satellite sensor RH

DTC Index (B0096)

6

Front seat belt buckle switch LH

DTC Index (B0050)

DTC Index (B2C21)

DTC Index (B2F60)

7

Front seat belt buckle switch RH

DTC Index (B0052)

Dtc Index
DTC Index Self Diagnostic Result DTC Diagnostic item SRS air b ...

Reference Value
Reference Value Note: The following table includes information (items) inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this vehicle, refer to CONSULT dis ...

Other materials:

P2138 App Sensor
Dtc Description DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition ...

Main line between ipdm-e and dlc circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side). Harness connector e4 Harness connec ...

MOD system operation
The Moving Object Detection (MOD) system on the Nissan Sentra is designed to activate automatically in specific low-speed driving situations to enhance driver awareness during parking and maneuvering. The MOD system will turn on automatically under the following conditions: When the shift l ...

© 2014-2026 Copyright www.nisentra.com