Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1994COLT VISTA SE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODESDIAGNOSTIC TESTSCODE 61: TRANSAXLE CONTROL MODULE SIGNAL
1994 Plymouth Colt Vista SE, Standard
Code 61: Transaxle Control Module Signal
1994 Plymouth Colt Vista SE, StandardSECTION Code 61: Transaxle Control Module Signal
NOTE:
For component terminal identification, see TERMINAL IDENTIFICATION
. For wiring diagrams, see WIRING DIAGRAMS
article in the ENGINE PERFORMANCE Section.
- Disconnect Transaxle Control Module (TCM) and ECM connectors. Ground TCM connector terminal No. 18. Using DVOM, check continuity between chassis ground and ECM connector terminal No. 116. If continuity does not exist, repair wiring harness as necessary. If continuity exists, go to next step.
- Ground TCM connector terminal No. 4. Check continuity between chassis ground and ECM connector terminal No. 59. If continuity does not exist, repair wiring harness as necessary. If continuity exists, go to next step.
- Ground TCM connector terminal No. 17. Check continuity between chassis ground and ECM connector terminal No. 7. If continuity does not exist, repair wiring harness as necessary. If continuity exists, test is complete. Intermittent problem may exist. See TESTS W/O CODES article in the ENGINE PERFORMANCE Section.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.