P08E5 code meaning
Shift Solenoid L Control Circuit High
Powertrain system Generic code P08xx codes Check engine light
What P08E5 means
High-voltage fault in the control circuit of shift solenoid L, set when the line shows battery voltage or a floating high level while the TCM expects otherwise. No manufacturer documents this code publicly. The analogue for solenoid A illustrates the two possible readings: in GM's 6-speed tables P0974 covers an open circuit as well as a short to power, fails after 1.2 of 1.5 seconds and needs two trips for the MIL, whereas Ford's P0974 only means a short to power. A wire chafed against a powered conductor inside the transmission harness is a typical cause. CARB requires the check. P08E4 is the low counterpart, P08E6 the open circuit. The valve may stay on, giving wrong gears.
P08E5 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyHard
- Typical labor1 to 5 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P08E5
- Check engine or transmission warning light on
- Wrong gear selected
- Harsh engagement or limp mode
Common causes of P08E5
- Most likelyControl wire chafed against a powered conductor
- PossibleOpen coil on systems that read opens as high
- Less likelyTCM output stage fault
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Shift solenoid lWiring harness
What each part of P08E5 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. |
| E5 | The exact fault in that area. |
What to do next
- Note P08E5 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 P08E5
What does P08E5 mean?
P08E5 means "Shift Solenoid L Control Circuit High". High-voltage fault in the control circuit of shift solenoid L, set when the line shows battery voltage or a floating high level while the TCM expects otherwise. It is a generic code, so it means the same on every make.
Is it safe to drive with P08E5?
Drive gently and only to a workshop. With P08E5 the car can go into limp mode (reduced power) to protect itself.
Will P08E5 fail an emissions test?
Yes, it can. P08E5 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 P08E5 to fix?
Difficulty: hard. A typical repair takes 1 to 5 hours of work. This is a job for a workshop.
Will P08E5 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.