BRISTOL 603 Control unit replacement Cost
1982–1994 · Engine, Fuel & Emissions system
Typical range
$6.9k–$32.4k
Parts + labour
Labour hours
1–4h
At a typical garage
The engine or transmission control unit (ECU/TCM) is the brain of the relevant system; faults are relatively rare but when they occur the unit typically requires programming to the vehicle's VIN. BRISTOL 603 control unit replacement or reprogramming costs $6855–$32430.
Warning signs you need this repair
- Multiple unrelated warning lights on the dashboard simultaneously
- Engine or transmission entering limp-home mode with no clear cause
- No communication with the ECU via diagnostic scanner
- Intermittent stalling, rough running or shift problems with no other fault codes
- Water ingress or fire damage to the control unit
Typical parts included
- Engine control unit (ECU/ECM)
- Engine control unit (ECU / ECM)
- Headlight control unit / ballast
What affects the price
- New OEM unit vs remanufactured unit (programming required either way)
- Whether the unit requires dealer-level programming or can be done independently
- Whether an underlying electrical fault caused the unit failure and also needs fixing
Common questions
How much does control unit replacement cost on a BRISTOL 603?
Control unit replacement on a BRISTOL 603 (1982–1994) typically costs between $6.9k and $32.4k including parts and labour at an independent garage.
What parts are needed for control unit replacement on a BRISTOL 603?
Common parts for this repair include: Engine control unit (ECU/ECM), Engine control unit (ECU / ECM), Headlight control unit / ballast.
How long does control unit replacement take on a BRISTOL 603?
Control unit replacement on a BRISTOL 603 typically takes 1–4 hours of labour at a garage.
How often does control unit replacement need to be done?
For a BRISTOL 603, control unit replacement is typically needed control units are replaced on failure; they very rarely fail without an underlying cause (moisture, voltage spike).
Other engine, fuel & emissions system repairs on the BRISTOL 603
- ABS hydraulic unit replacement$586–$1.1k
- ABS sensor replacement$242–$441
- ABS system bleeding$193–$353
- AC compressor clutch replacement$483–$882
- AC compressor replacement$518–$945
Control unit replacement cost on similar cars
- AUDI R8$345–$630
- LOTUS Esprit$288–$525
- LAMBORGHINI Gallardo$402–$735
- BENTLEY Continental$402–$735
- ARIEL Atom$288–$525
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