Communication Fault

Communication fault. Permanent fault

Checking the component and wiring




- Ignition off.

Caution! Do not touch the terminal pins in the SRS control module. There is a risk of static discharge. This could damage the SRS control module.

Note! Check that the side impact sensor is connected.

Check the cable between the SRS control module and the connector or terminal for the side impact sensor according to the following:

for diagnostic trouble code (DTC) SRS-00B1,
front left side impact sensor terminals #8A (8) and #9A (9) and connector terminals #1 and #2.

for diagnostic trouble code (DTC) SRS-00B6,
front right side impact sensor terminals #8C (4) and #9C (5) and connector terminals #1 and #2.

for diagnostic trouble code (DTC) SRS-00BB,
rear left side impact sensor terminals #27A (27) and #28A (28) and connector terminals #1 and #2.

for diagnostic trouble code (DTC) SRS-00C0,
rear right side impact sensor terminals #27C (23) and #28C (24) and connector terminals #1 and #2.
for an open-circuit. See Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.
Remedy as necessary.

Other information:
- To access and replace the SRS control module and connector, see Control module SRS (supplemental restraint system), replacing Service and Repair
- To access or replace the side impact sensor, see Collision sensor B and C-post, replacing Collision Sensor B And C-Post, Replacing
- To connect the breakout box, see Connecting the breakout box Connecting The Breakout Box
- For other values, see Signal specification Signal Specification.









Was a fault detected?

Yes - Verification

No - Replacing side impact sensor

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Replacing side impact sensor
Try a new side impact sensor according to Collision sensor B and C-post, replacing Collision Sensor B And C-Post, Replacing.

Continue - Verification

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Fault-tracing information





Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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FAULT-TRACING FAILED - No Fault Found

Attempt New Test - Checking the component and wiring

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Verification





Verification

Hint: After carrying out the repair, check that the fault has been remedied.




- Ignition off
- Disconnect the battery negative lead
- Reinstall the connectors, components etc.
- Ignition on
- Connect the battery negative lead.

Warning! There must not be anyone inside the passenger compartment when the battery is connected.

- Read off diagnostic trouble codes (DTCs).
The fault is no longer present if the diagnostic trouble code (DTC) status is intermittent.





Is the diagnostic trouble code (DTC) intermittent?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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