Category Archives: Diagnostics & Maintenance

Why Won’t Your Transmission Go Into Gear? Causes, Symptoms & What to Do

A transmission that will not go into gear may have a fluid, shifter, clutch, electronic-control or internal mechanical problem; the symptom alone cannot identify the failed part. First, distinguish between a lever that will not select a gear, an automatic that selects Drive or Reverse but does not move, a manual car that is in… Read More: Why Won’t Your Transmission Go Into Gear? Causes, Symptoms &… »

Can Low Transmission Fluid Cause P0741? Causes, Fixes and Driving Risks

Yes. Low or degraded transmission fluid can contribute to a P0741 code by interfering with the hydraulic operation needed for the torque converter clutch (TCC) to engage. However, P0741 means the TCC is performing outside expected conditions or is stuck off; it does not confirm that the fluid is low or identify a failed part.… Read More: Can Low Transmission Fluid Cause P0741? Causes, Fixes and Driving… »

Acura TL P0741 Code: Meaning, Causes, Fixes, and Driving Risks

On an Acura TL, P0741 means the torque converter clutch (TCC) circuit is performing poorly or the clutch is staying off when the vehicle’s control system expects it to engage. The code identifies a problem with TCC operation; it does not confirm that the torque converter, solenoid, or any other single part has failed. Diagnosis… Read More: Acura TL P0741 Code: Meaning, Causes, Fixes, and Driving Risks »

Lincoln Aviator Overheating: Warning Signs and What to Do

If your Lincoln Aviator shows an overheating warning, concentrate on stopping safely, rather than trying to reach your destination. Lincoln’s 2020 Aviator manual warns that an overheating engine can stop unexpectedly. Its reduced-performance protection is not permission to keep driving normally. What to do when the temperature rises For the 2020 Aviator, Lincoln instructs drivers… Read More: Lincoln Aviator Overheating: Warning Signs and What to Do »

P0451 Code: Meaning, Causes, Fixes, and Whether You Can Drive

P0451 means the vehicle’s control module has detected an out-of-range or inconsistent signal from the EVAP pressure sensor/switch circuit. It does not, by itself, prove that the sensor has failed or that the EVAP system has a leak. The cause needs to be confirmed using the correct information and tests for the vehicle. What Does… Read More: P0451 Code: Meaning, Causes, Fixes, and Whether You Can Drive »

Kia Seltos Intermittent No-Crank in the Morning: Causes and Checks

If your Kia Seltos sometimes will not crank in the morning, the available evidence does not point to one confirmed cause. Start with the basic checks Kia lists for a no-start condition: fuel, the 12V battery and its connections. If the fault returns, a technician should test the battery and starting circuit while the problem… Read More: Kia Seltos Intermittent No-Crank in the Morning: Causes and Checks »

Nissan P0444 Code: Meaning, Causes, Diagnosis and Fixes

P0444 on a Nissan means the engine computer has detected an open electrical circuit in the EVAP purge-control-valve circuit. The purge-control solenoid is one possible cause, but the code does not prove that the valve has failed or is mechanically stuck. Damaged wiring, a loose connection or corrosion can also interrupt the circuit, so diagnosis… Read More: Nissan P0444 Code: Meaning, Causes, Diagnosis and Fixes »

Common Mercedes-Benz Gear Shifter Problems: Symptoms and Causes

Common Mercedes-Benz gear-shifter complaints include difficulty selecting a gear, a selector that does not respond, clicking or grinding sounds during a shift, an indicated gear that does not match the vehicle’s behaviour, and trouble switching the vehicle off. Possible causes include a fault in the gear-selector module or another shift-control component, a brake-light-switch problem, or… Read More: Common Mercedes-Benz Gear Shifter Problems: Symptoms and Causes »

What Does P2138 Mean on a Chevy Silverado? Causes and Next Steps

On a Chevy Silverado, diagnostic trouble code P2138 indicates an Accelerator Pedal Position (APP) Sensor 1–2 correlation fault. The engine computer has detected that the two APP signal readings do not agree within the limits calibrated for the vehicle. The code identifies a signal problem; it does not, by itself, confirm that the accelerator pedal… Read More: What Does P2138 Mean on a Chevy Silverado? Causes and… »