Mazda RX-8 Workshop Manual page 1912

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2011 - RX-8 - Transmission/Transaxle
DTC P0963 [SJ6A-EL]
DTC P0963 Line pressure control solenoid circuit malfunction (short to power)
DETECTION
CONDITION
POSSIBLE
CAUSE
Short circuit in line pressure control solenoid signal system (while TCM monitors solenoid output
voltage, the voltage that differs from the signal output by CPU in TCM is detected).
Diagnostic support note:
The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle.
A PENDING CODE is not available.
FREEZE FRAME DATA is available.
The AT warning light illuminates.
The DTC is stored in the TCM memory.
TCM connector or terminal malfunction
Short to power in wiring harness between line pressure control solenoid terminal B and TCM terminal 1R
Short to power in wiring harness between line pressure control solenoid terminal A and TCM terminal 1E
Line pressure control solenoid malfunction
TCM malfunction