56-27

SRS DTC Troubleshooting: 56-26, 56-27

DTC 56-26, 56-27:

Undefined Data Received From the Gauge Control Module

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair and General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.

1. Make sure the ignition switch is in LOCK (0).

2. Connect the HDS to the data link connector (DLC).

3. Turn the ignition switch to ON (II).

4. Turn the ignition switch to LOCK (0) and wait for 10 seconds.

5. Turn the ignition switch to ON (II) and wait for 10 seconds.

6. Read the DTC Reading and Clearing Diagnostic Trouble Codes.

Does the SRS indicator stay on, and is DTC 56-26 or 56-27 indicated?

YES -

Do the gauge control module self-diagnostic function test Initial Inspection and Diagnostic Overview. If the gauge control module fails the self-diagnostic function test, replace the gauge control module, then clear the DTC. If the DTC is still present, replace the SRS unit SRS Unit Replacement.�

NO -

Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.�