Driveability Conditions (Non TCC)
WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- If there are harsh gear shifts, see SYMPTOM DIAGNOSIS . DO NOT replace the torque converter.
- If there is no drive/slips in drive, see Figure to repair driveability. DO NOT replace the torque converter until completing all engine and transmission diagnostics.
- If there is a idle surge/rough idle, see appropriate article in ENGINE PERFORMANCE. DO NOT replace the torque converter.
- If there is poor acceleration above 30 mph (48 km/h) (Launch), see appropriate article in ENGINE PERFORMANCE or see SYMPTOM DIAGNOSIS . DO NOT replace the torque converter until completing all engine and transmission diagnostics.
- If DTC P0741 (TCC Stuck OFF/High Slip) is present, see DTC P0741: TCC SYSTEM STUCK OFF . DO NOT replace the torque converter if the code is intermittent.
- If DTC P0742 (TCC Stuck ON) is present, see DTC P0742: TCC SYSTEM STUCK ON . DO NOT replace the torque converter.
- If DTC P1887 (TCC Release Switch) is present, see DTC P1887: TORQUE CONVERTER CLUTCH RELEASE SWITCH CIRCUIT MALFUNCTION . DO NOT replace the torque converter.
- If there is a TCC apply/release shudder, see Figure to repair problem.
- If there is a TCC chuggle, see appropriate article in ENGINE PERFORMANCE or see SYMPTOM DIAGNOSIS .