If you’re experiencing an illuminated Engine Light or Service Engine Soon Warning Light, it could be due to the automobile fault code: u1420. This code is typically caused by a faulty Electronic Shift Module (ESM), an open or shorted ESM harness, poor electrical connection in the ESM circuit, or a faulty Powertrain Control Module (PCM) or Transmission Control Module (TCM). The importance of repairing this issue lies in the fact that it can affect the performance of your vehicle’s transmission.
The repair difficulty is moderate, with a repair time of 1.0.
To fix the issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Unveiling U1420: Common Symptoms You Shouldn’t Ignore
If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be a sign of u1420 fault code.
Here are the symptoms to look out for:
- The automobile fault code u1420 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light.
Decoding U1420: Common Causes Of The Fault Code
The automobile fault code u1420 can be caused by a range of issues, including faulty ESM and PCM.
- The automobile fault code u1420 can be caused by a faulty Electronic Shift Module (ESM).
- It can also be caused by an open or shorted Electronic Shift Module (ESM) harness.
- Another cause can be a poor electrical connection in the Electronic Shift Module (ESM) circuit.
- A faulty Powertrain Control Module (PCM) can also trigger this fault code.
- Lastly, a faulty Transmission Control Module (TCM) can also be a cause of the u1420 fault code.
Fix U1420: Simple Steps To Solve The Fault Code
Below are some possible fixes for the automobile fault code u1420.
- To fix the automobile fault code u1420, first, check the possible causes listed above.
- Then, visually inspect the related wiring harness and connectors.
- Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
- This fix will take an estimated repair time of 1.0 hour.
Crunching The Numbers: U1420 Repair Cost & Complexity
The automobile fault code U1420 can be diagnosed and fixed within an estimated repair time of 1.0 hour.
The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour. Therefore, the total cost of diagnosis and fixing the U1420 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to fix the issue.
Decoding U1420: Understanding Your Vehicle’s Steering Angle Sensor Fault
The U1420 fault code checks the validity and availability of the Shift Lever Position signal.
It verifies the received CAN signal state corresponds to one of the possible lever positions. If the Shift Lever Position signal is invalid or missing, then the DTC U1420 will set. The failure is detected if the signal is not available or if the signal value is not valid.
FAQ
If you see the engine light on or service engine soon warning light, it could be due to the u1420 fault code. This code is usually caused by a faulty Electronic Shift Module (ESM), an open or shorted ESM harness, a poor electrical connection in the ESM circuit, a faulty Powertrain Control Module (PCM), or a faulty Transmission Control Module (TCM). To fix this issue, you should check the possible causes listed above, visually inspect the related wiring harness and connectors, and look for damaged components or broken, bent, pushed out, or corroded connector’s pins.
If you’re experiencing an Engine Light ON or Service Engine Soon Warning Light with a u1420 fault code, it may be due to a faulty Electronic Shift Module (ESM), open or shorted ESM harness, poor electrical connection in the ESM circuit, faulty Powertrain Control Module (PCM), or faulty Transmission Control Module (TCM). To fix it, check the possible causes listed above, visually inspect the related wiring harness and connectors, and look for damaged components or broken, bent, pushed out, or corroded connector’s pins.
If you’re experiencing the u1420 fault code, you may notice that your engine light is on. This could be due to a faulty Electronic Shift Module (ESM), an open or shorted ESM harness, a poor electrical connection in the ESM circuit, a faulty Powertrain Control Module (PCM), or a faulty Transmission Control Module (TCM). To diagnose the issue, visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Wrap Up
If your engine light is on and you have a u1420 fault code, it could be due to a faulty Electronic Shift Module (ESM), ESM harness issues, poor electrical connections, or faulty PCMTCM. Visually inspect the wiring harness and connectors for damage, broken, bent, pushed out, or corroded pins.
Check the possible causes listed above.
