P0815

DTC P0815: Malfunction of Paddle Shift Up Switch














DIAGNOSTIC FUNCTION

TCM detects that the paddle shift UP switch is stuck to ON.

JUDGEMENT CRITERIA

When the paddle shift UP switch being ON consecutively for 60 seconds is detected.

PROBABLE CAUSES

- Malfunction of paddle shift switch

- Damaged wiring harness and connectors

- Malfunction of TCM

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III data list

Item 54: Paddle switch (up)

OK: The service data changes in response to the paddle shift operation.


Q. Is the check result normal?

YES Intermittent malfunction
NO Go to Step 2.
STEP 2. Check the following connector:

- C-41 TCM connector

- C-210 paddle shift switch connector

- C-127 intermediate connector

Check the terminals for a contact status problem and internal short circuit.

Q. Is the check result normal?

YES Go to Step 3.
NO Repair the damaged connector.
STEP 3. Paddle shift switch single unit check

Refer to Paddle Shift Switch Check.

Q. Is the check result normal?

YES Go to Step 4.
NO Replace the paddle shift switch.
STEP 4. Check for short to ground in the wiring harness between the TCM connector and the paddle shift switch connector

Between C-41 TCM connector (terminal No.22) and C-210 paddle shift switch connector (terminal No.1)

Q. Is the check result normal?

YES Go to Step 5.
NO Repair the wiring harness.
STEP 5. Symptom recheck after erasing diagnosis code

Q. Is the check result normal?

YES Intermittent malfunction
NO Replace TCM.