Chassis Number 26213 - 999999

Signal missing

Checking communication

- Ignition off.
Check the communication cable between gear selector control module terminal #2 and transmission control module (TCM) terminal #B31 (#B21) for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Replace the circuit board in the top panel if no fault is found in the cable.
Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box, B5244T5, B5254T2 Connecting the Breakout Box
- To replace the circuit board in the top panel (standard, V70), see Printed circuit board gear selector assembly/top panel, replacing Printed Circuit Board Gear Selector Assembly/Top Panel, Replacing
- To replace the circuit board in the top panel (standard, S60), see Printed circuit board gear selector assembly/top panel, replacing, B5254T2, AW55-50/51SN Printed Circuit Board Gear Selector Assembly/Top Panel, Replacing
- To replace the circuit board in the top panel (geartronic, V70), see Printed circuit board gear selector assembly/top panel Geartronic, replacing Printed Circuit Board Gear Selector Assembly/Top Panel Geartronic, Replacing
- To replace the circuit board in the top panel (geartronic, S60), see Printed circuit board gear selector assembly/top panel, replacing Printed Circuit Board Gear Selector Assembly/Top Panel, Replacing
- For information about signals, see Signal description. Transmission control module (TCM), AW50/51 AWD, AW55-50/51SN Signal Description. Transmission Control Module (TCM).

Was a fault detected?

Yes - Verification

No - No Fault Found

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Verification

Verification

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

- Ignition on.
Depress the brake pedal and move the gear shift selector to different positions. Check that the gear position is updated in the display in the combined instrument panel and on the panel on the gear selector assembly.

Is the gear position updated?

Yes - VERIFIED

No - VERIFICATION FAILEDPAPER

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VERIFICATION FAILED - Fault-tracing information

PAPER - No Fault Found

VERIFIED - Fault Found

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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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking communication

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Intermittent fault

Hint: Check the communication cable between gear selector control module terminal #2 and transmission control module (TCM) terminal #B31 (#B21). Check for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults. Check for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.

Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box, B5244T5, B5254T2 Connecting the Breakout Box
- For information about signals, see Signal description. Transmission control module (TCM), AW50/51 AWD, AW55-50/51SN Signal Description. Transmission Control Module (TCM).

Select Continue when the fault has been remedied.

Continue - Fault-tracing information
DONE

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Fault-tracing information

Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - Fault Found

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Attempt New Test - Checking communication

FAULT FOUND - DONE

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