P0883 code meaning
TCM Power Input Signal High
Powertrain system Generic code P08xx codes Check engine light
What P0883 means
The TCM power input codes watch the supply voltage of the gearbox module or of its solenoid supply. Without a proper supply all solenoids go dead and the gearbox falls back to its hydraulic emergency gear with maximum line pressure: a fixed gear, harsh engagement, no shifting. Ford's external gearbox modules check a window of 9 to 16 V; GM reports the same under P0562/P0563. P0883 means the supply is too high: Ford sets it above 16 V, continuously and with MIL; GM's counterpart P0563 sets at 18 V. Typical triggers are a failed alternator regulator or a jump start with 24 V. Overvoltage endangers the output stages, so the module may switch the solenoids off.
P0883 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium
- Typical labor0.5 to 2.5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P0883
- MIL on
- Charging warning or unusually bright lights
- Overvoltage codes in other modules
Common causes of P0883
- Most likelyAlternator voltage regulator faulty (overcharging)
- PossibleJump start with 24 V or charger in boost mode
- PossiblePoor battery ground, regulator measures wrongly
- Less likelyModule measurement faulty
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Transmission control moduleTransmission relayBatteryModule wiring
What each part of P0883 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 8 | Area: transmission. |
| 83 | The exact fault in that area. |
What to do next
- Note P0883 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P0883
What does P0883 mean?
P0883 means "TCM Power Input Signal High". The TCM power input codes watch the supply voltage of the gearbox module or of its solenoid supply. It is a generic code, so it means the same on every make.
Is it safe to drive with P0883?
Drive gently and only to a workshop. With P0883 the car can go into limp mode (reduced power) to protect itself.
Will P0883 fail an emissions test?
Yes, it can. P0883 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P0883 to fix?
Difficulty: medium. A typical repair takes 0.5 to 2.5 hours of work. This is a job for a workshop.
Will P0883 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.