Pinpoint Test AE : DTC P1A02
WARNING: This page is about a different variant/trim than selected.
- Normal Operation and Fault Conditions
The PCM monitors the one way clutch application and when it falls outside of expected performance ranges a DTC sets.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition PCM P1A02:00 Transmission One Way Clutch Performance: No Sub Type Information This DTC sets if the PCM detects the one way clutch failed to engage gears 1A or 2A 3 times allowing sun gear 1 to rotate backwards. When this DTC sets the failsafe logic disables 1st and 2nd gear. Possible Sources
- One way clutch failure
- AE1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)
- Ignition OFF.
- Ignition ON.
- Using a diagnostic scan tool, clear the DTC for the PCM.
- Wait 10 seconds.
- Using a diagnostic scan tool, carry out the PCM self-test.
Did DTC P1A02 return?
Yes REFER to: Transmission . No The fault may be intermittent.