When does transmission slip code p1870 set?

Hello! P1870 is a “Transmission Slip” fault code. This code usually sets when the torque converter stops locking up. There are several reasons why this may set, each has its own fix. First, you will want to inspect the Torque Converter Solenoid, make sure its working and the top of it isn’t cracked or leaking.

What does p1870 mean on a torque converter?

P1870 is a “Transmission Slip” fault code. This code usually sets when the torque converter stops locking up. There are several reasons why this may set, each has its own fix. First, you will want to inspect the Torque Converter Solenoid, make sure its working and the top of it isn’t cracked or leaking.

What does DTC 1870 stand for in PCM?

The PCM monitors and compares engine speed to vehicle speed after the converter clutch has been commanded ON in either high gear or Overdrive. Should the expected rpm ratio exceed predetermined parameters, DTC 1870 sets.

What is the diagnostic code for transmission slippage?

Diagnostic trouble code P1870 (Transmission Component Slippage) is a General Motors-specific code whose set parameters are determined by transmission type and engine size. The PCM monitors and compares engine speed to vehicle speed after the converter clutch has been commanded ON in either high gear or Overdrive.

Why does DTC 1870 have a p1870 code?

If at some point the transmission begins to slip, P1870 sets and line pressure is elevated in an attempt to stop any further slippage and prevent further damage. This would explain why DTC 1870 is often accompanied by a complaint of a hard 1-2 upshift.

What is Pontiac check engine light code p1115?

P1114Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage – Read Our Article on Automotive Circuit TestingFor Help With This Pontiac Trouble Code P1115Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage – Read Our Article on Automotive Circuit TestingFor Help With This Pontiac Check Engine Light Code

How much does it cost to diagnose a p0121 code?

The cost of diagnosing the P0121 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. When is the P0121 code detected?

What does p0121 mean in engine control module?

What Does P0121 Mean? Your TPS “A” Circuit has an expected output voltage range, as does your TPS “B” Circuit (if so equipped). When code P0121 occurs, it means that your Engine Control Module (ECM) recognized that your throttle position “A” circuit’s expected output voltage has either gone above or below the sensor’s expected range.

What causes the GM trouble code p1870 to set?

When this code sets, it could have any number of causes, ranging from the sump running low of fluid to a malfunctioning torque converter. Take a GM 4L60-E transmission, for example. When it’s in Overdrive, the forward clutch and the 3-4 clutches are applied, as well as the 2-4 band. Now add the converter clutch.

What does Hello p1870 mean on a transmission?

Hello! P1870 is a “Transmission Slip” fault code. This code usually sets when the torque converter stops locking up.

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